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diff --git a/MdeModulePkg/Universal/PCD/Pei/PcdPeim.uni b/MdeModulePkg/Universal/PCD/Pei/PcdPeim.uni
index 3e7c5566f0..88cfe01f5b 100644
--- a/MdeModulePkg/Universal/PCD/Pei/PcdPeim.uni
+++ b/MdeModulePkg/Universal/PCD/Pei/PcdPeim.uni
@@ -10,32 +10,32 @@
 // type Pcd.
 // For dynamicEx type PCD, it is compatible between PCD_PPI and EFI_PEI_PCD_PPI.
 // PCD PEIM driver will produce above two PPIs at same time.
-// 
+//
 // PCD database is generated as the separate binary image at build time. The binary image
 // will be intergrated into Firmware volume together with PCD driver.
-// 
+//
 // ////////////////////////////////////////////////////////////////////////////////
 // //                                                                            //
 // //                      Introduction of PCD database                          //
 // //                                                                            //
 // ////////////////////////////////////////////////////////////////////////////////
-// 
+//
 // 1, Introduction
 // PCD database hold all dynamic type PCD information. The structure of PEI PCD
 // database is generated by build tools according to dynamic PCD usage for
 // specified platform.
-// 
+//
 // 2, Dynamic Type PCD
 // Dynamic type PCD is used for the configuration/setting which value is determined
 // dynamic. In contrast, the value of static type PCD (FeatureFlag, FixedPcd,
 // PatchablePcd) is fixed in final generated FD image in build time.
-// 
+//
 // 2.1 The "dynamic" determination means one of below cases:
 // a) The PCD setting value is produced by someone driver and consumed by
 // other driver in execution time.
 // b) The PCD setting value is set/get by user from FrontPage.
 // c) The PCD setting value is produced by platform OEM vendor in specified area.
-// 
+//
 // 2.2 According to module distribution way, dynamic PCD could be classfied as:
 // a) Dynamic:
 // If module is released in source code and will be built with platform
@@ -49,7 +49,7 @@
 // PcdGetxxEx(gEfiMyTokenspaceGuid, PcdSampleDynamicPcd)
 // Developer need explicity gives {Token Space Guid:Token Number} as parameter
 // in writting source code.
-// 
+//
 // 2.3 According to PCD value's storage method, dynamic PCD could be classfied as:
 // a) Default Storage:
 // - The PCD value is stored in PCD database maintained by PCD driver in boot
@@ -59,7 +59,7 @@
 // is turn off.
 // - [PcdsDynamicDefault] is used as section name for this type PCD in
 // platform DSC file. [PcdsDynamicExDefault] is used for dynamicEx type PCD.
-// 
+//
 // b) Variable Storage:
 // - The PCD value is stored in variable area.
 // - As default storage type, this type PCD could be used for PEI/DXE driver
@@ -69,34 +69,34 @@
 // to variable area is readonly.
 // - [PcdsDynamicHii] is used as section name for this type PCD in platform
 // DSC file. [PcdsDynamicExHii] is for dynamicEx type PCD.
-// 
+//
 // c) OEM specificed storage area:
 // - The PCD value is stored in OEM specified area which base address is
 // specified by a FixedAtBuild PCD setting - PcdVpdBaseAddress.
 // - The area is read only for PEI and DXE phase.
 // - [PcdsDynamicVpd] is used as section name for this type PCD in platform
 // DSC file. [PcdsDynamicExVpd] is for dynamicex type PCD.
-// 
+//
 // 2.4 When and how to use dynamic PCD
 // Module developer do not care the used PCD is dynamic or static when writting
 // source code/INF. Dynamic PCD and dynamic type is pointed by platform integrator
 // in platform DSC file. Please ref section 2.3 to get matching between dynamic
 // PCD type and section name in DSC file.
-// 
+//
 // 3, PCD database:
 // Although dynamic PCD could be in different storage type as above description,
 // but the basic information and default value for all dynamic PCD is hold
 // by PCD database maintained by PEI/DXE driver.
-// 
+//
 // As the whole EFI BIOS boot path is divided into PEI/DXE phase, the PCD database
 // also is divided into Pei/Dxe database maintaied by PcdPeim/PcdDxe driver separatly.
 // To make PcdPeim's driver image smaller, PEI PCD database only hold all dynamic
 // PCD information used in PEI phase or use in both PEI/DXE phase. And DXE PCD
 // database contains all PCDs used in PEI/DXE phase in memory.
-// 
+//
 // Build tool will generate PCD database into the separate binary file for
 // PEI/DXE PCD driver according to dynamic PCD section in platform DSC file.
-// 
+//
 // 3.1 PcdPeim and PcdDxe
 // PEI PCD database is maintained by PcdPeim driver run from flash. PcdPeim driver
 // build guid hob in temporary memory and copy the binary data base from flash
@@ -104,11 +104,11 @@
 // DXE PCD database is maintained by PcdDxe driver.At entry point of PcdDxe driver,
 // a new PCD database is allocated in boot-time memory which including all
 // PEI PCD and DXE PCD entry.
-// 
+//
 // Pcd driver should run as early as possible before any other driver access
 // dynamic PCD's value. PEI/DXE "Apriori File" mechanism make it possible by
 // making PcdPeim/PcdDxe as first dispatching driver in PEI/DXE phase.
-// 
+//
 // 3.2 Token space Guid/Token number, Platform token, Local token number
 // Dynamic PCD
 // +-----------+               +---------+
@@ -128,13 +128,13 @@
 // |  Token    |
 // |  Number   |
 // +-----------+
-// 
-// 
+//
+//
 // 3.2.1 Pair of Token space guid + Token number
 // Any type PCD is identified by pair of "TokenSpaceGuid + TokeNumber". But it
 // is not easy maintained by PCD driver, and hashed token number will make
 // searching slowly.
-// 
+//
 // 3.2.2 Platform Token Number
 // "Platform token number" concept is introduced for mapping to a pair of
 // "TokenSpaceGuid + TokenNumber". The platform token number is generated by
@@ -148,14 +148,14 @@
 // mechanism is not suitable for binary module which use DynamicEx type PCD.
 // To access a dynamicEx type PCD, pair of "token space guid/token number" all need
 // to be specificed for PcdSet/PcdGet accessing macro.
-// 
+//
 // Platform Token Number is started from 1, and inceased continuous. From whole
 // platform scope, there are two zones: PEI Zone and DXE Zone
 // |                      Platform Token Number
 // ----------|----------------------------------------------------------------
 // PEI Zone: |            1                 ~  PEI_LOCAL_TOKEN_NUMBER
 // DXE Zone: | (PEI_LOCAL_TOKEN_NUMBER + 1) ~ (PEI_LOCAL_TOKEN_NUMBER + DXE_LOCAL_TOKEN_NUMBER)
-// 
+//
 // 3.2.3 Local Token Number
 // To fast searching a PCD entry in PCD database, PCD driver translate
 // platform token number to local token number via a mapping table.
@@ -163,7 +163,7 @@
 // "token space guid + token number" to local token number directly.
 // Local token number is identifier for all internal interface in PCD PEI/DXE
 // driver.
-// 
+//
 // A local token number is a 32-bit value in following meaning:
 // 32 ------------- 28 ---------- 24 -------- 0
 // | PCD type mask  | Datum Type  |  Offset  |
@@ -183,7 +183,7 @@
 // Offset      : indicate the related offset of PCD value in PCD database array.
 // Based on local token number, PCD driver could fast determine PCD type, value
 // type and get PCD entry from PCD database.
-// 
+//
 // 3.3 PCD Database binary file
 // PCD Database binary file will be created at build time as the standalone binary image.
 // To understand the binary image layout, PCD Database C structure is still generated
@@ -203,7 +203,7 @@
 // Every PCD has a value record in PCD database. For different
 // datum type PCD has different record structure which will be
 // introduced in 3.3.1
-// 
+//
 // In a PCD database structure, there are two major area: Init and UnInit.
 // Init area is use stored above PCD internal structure such as ExMapTable,
 // LocalTokenNumberTable etc and the (default) value of PCD which has default
@@ -211,7 +211,7 @@
 // Unint area is used stored the value of PCD which has no default value in
 // platform DSC file, the value of NULL, 0 specified in platform DSC file can
 // be seemed as "no default value".
-// 
+//
 // 3.3.1 Simple Sample PCD Database C Structure
 // A general sample of PCD database structue is as follows:
 // typedef struct _PCD_DATABASE {
@@ -223,7 +223,7 @@
 // SIZE_INFO         SizeTable[PEI_SIZE_TABLE_SIZE];
 // UINT8             SkuIdTable[PEI_SKUID_TABLE_SIZE];
 // SKU_ID            SystemSkuId;
-// 
+//
 // //===== Following is value structure for PCD with default value
 // ....
 // ....
@@ -235,11 +235,11 @@
 // ....
 // } UnInit;
 // }
-// 
+//
 // 3.3.2 PCD value structure in PCD database C structure
 // The value's structure is generated by build tool in PCD database C structure.
 // The PCDs in different datum type has different value structure.
-// 
+//
 // 3.3.2.1 UINT8/UINT16/UINT32/UINT64 datum type PCD
 // The C structure for these datum type PCD is just a UINT8/UINT16/UINT32/UINT64
 // data member in PCD database, For example:
@@ -247,30 +247,30 @@
 // Above structure is generated by build tool, the member name is "PcdCName_Guidvalue"
 // Member type is UINT16 according to PcdHardwareErrorRecordLevel declaration
 // in DEC file.
-// 
+//
 // 3.3.2.2 VOID* datum type PCD
 // The value of VOID* datum type PCD is a UINT8/UINT16 array in PCD database.
-// 
+//
 // 3.3.2.2.1 VOID* - string type
 // If the default value for VOID* datum type PCD like L"xxx", the PCD is
 // used for unicode string, and C structure of this datum type PCD is
 // UINT16 string array in PCD database, for example:
 // UINT16 StringTable[29];
 // The number of 29 in above sample is max size of a unicode string.
-// 
+//
 // If the default value for VOID* datum type PCD like "xxx", the PCD is
 // used for ascii string, and C structure of this datum type PCD is
 // UINT8 string array in PCD database, for example:
 // UINT8 StringTable[20];
 // The number of 20 in above sample is max size of a ascii string.
-// 
+//
 // 3.3.2.2.2 VOID* - byte array
 // If the default value of VOID* datum type PCD like {'0x29', '0x01', '0xf2'}
 // the PCD is used for byte array. The generated structrue is same as
 // above ascii string table,
 // UINT8 StringTable[13];
 // The number of 13 in above sample is max size of byte array.
-// 
+//
 // 3.3.3 Some utility structures in PCD Database
 // 3.3.3.1 GuidTable
 // GuidTable array is used to store all related GUID value in PCD database: