Revert "MdePkg/BaseLib.h: Update IA32_CR4 structure for 5-level paging"

This reverts commit 7c5010c7f88b790f4524c4a5311819e3af5e2752.
Commit
7c5010c7f8 MdePkg/BaseLib.h: Update IA32_CR4 structure for 5-level paging
technically breaks the EDKII development process documented in
https://github.com/tianocore/tianocore.github.io/wiki/EDK-II-Development-Process
and Maintainers.txt in EDKII repo root directory.

The voilation is commit 7c5010c7f8 doesn't have a Reviewed-by or
Acked-by from MdePkg maintainers.

Signed-off-by: Ray Ni <ray.ni@intel.com>

diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index a22bfc9fadff9b0494b930f7a6e9f30152153ac9..ebd7dd274cf4387eb50fdd6b59d53a556dd51042 100644 (file)
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -5324,8 +5324,7 @@ typedef union {
     UINT32  OSXMMEXCPT:1;   ///< Operating System Support for\r
                             ///< Unmasked SIMD Floating Point\r
                             ///< Exceptions.\r
-    UINT32  Reserved_2:1;   ///< Reserved.\r
-    UINT32  LA57:1;         ///< Linear Address 57bit.\r
+    UINT32  Reserved_0:2;   ///< Reserved.\r
     UINT32  VMXE:1;         ///< VMX Enable\r
     UINT32  Reserved_1:18;  ///< Reserved.\r
   } Bits;\r