Use correct signature to fix the bug that Tiger platform cannot boot to OS.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6474 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/Include/IndustryStandard/Acpi20.h b/MdePkg/Include/IndustryStandard/Acpi20.h
index 9c1db57a42d44eddbb0a4149d8e4e4706299bf66..a0642bc2a136515fe61eef7ec246396a5d985c33 100644 (file)
--- a/MdePkg/Include/IndustryStandard/Acpi20.h
+++ b/MdePkg/Include/IndustryStandard/Acpi20.h
@@ -411,7 +411,7 @@ typedef struct {
 /// BUGBUG: Don't know where this came from except SR870BN4 uses it.\r
 /// #define EFI_ACPI_2_0_MULTIPLE_SAPIC_DESCRIPTION_TABLE_SIGNATURE 0x43495053\r
 ///\r
-#define EFI_ACPI_2_0_MULTIPLE_SAPIC_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('S', 'P', 'I', 'C')\r
+#define EFI_ACPI_2_0_MULTIPLE_SAPIC_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('A', 'P', 'I', 'C')\r
 \r
 ///\r
 /// "BOOT" MS Simple Boot Spec\r