1) Sync EdkCompatibilityPkg with EDK 1.04. The changes includes:

1.1) Bug fixes. (For details, please check  Documents & files: Snapshot/Release Notes at https://edk.tianocore.org/servlets/ProjectDocumentList?folderID=43&expandFolder=43&folderID=6)
  1.2) Add new UEFI protocol definitions for AbsolutePointer, FormBrowser2, HiiConfigAccess, HiiConfigRouting, HiiDatabase, HiiFont, HiiImage, HiiString, SimpleTextInputEx, DPC protocol.
  1.3) Add Smbios 2.5, 2.6 supports.

  Incompatible changes hilighted:
  1) EFI_MANAGED_NETWORK_PROTOCOL_GUID changed.
  2) EFI_IP4_IPCONFIG_DATA changed.

2) Add in EdkCompatibilityPkg/EdkCompatibilityPkg.dsc to build all libraries in this package.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4623 6f19259b-4bc3-4df7-8a09-765794883524

EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/x64/RuntimeLib.c

@@ -792,7 +792,13 @@ Returns:
 
 #if (EFI_SPECIFICATION_VERSION >= 0x00020000) 
   if (gStatusCode == NULL) {
-    return EFI_UNSUPPORTED;
+    if (EfiAtRuntime ()) {
+      return EFI_UNSUPPORTED;
+    }
+    Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID **)&gStatusCode);
+    if (EFI_ERROR (Status) || gStatusCode == NULL) {
+      return EFI_UNSUPPORTED;
+    }
   }
   Status = gStatusCode->ReportStatusCode (CodeType, Value, Instance, CallerId, Data);
 #else
@@ -811,33 +817,3 @@ Returns:
 #endif
   return Status;
 }
-
-//
-// Cache Flush Routine.
-//
-EFI_STATUS
-EfiCpuFlushCache (
-  IN EFI_PHYSICAL_ADDRESS          Start,
-  IN UINT64                        Length
-  )
-/*++
-
-Routine Description:
-
-  Flush cache with specified range.
-
-Arguments:
-
-  Start   - Start address
-  Length  - Length in bytes
-
-Returns:
-
-  Status code
-  
-  EFI_SUCCESS - success
-
---*/
-{
-  return EFI_SUCCESS;
-}