Enhance the PEI Core to convert pointers pointing to PPI descriptors on the temporary stack.

Signed-off by: rsun3
Reviewed-by:   li-elvin


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12354 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c

@@ -894,6 +894,8 @@ PeiDispatcher (
                 StackOffsetPositive = FALSE;
                 StackOffset = (UINTN)(TopOfOldStack - TopOfNewStack);
               }
+              Private->StackOffsetPositive = StackOffsetPositive;
+              Private->StackOffset = StackOffset;
 
               DEBUG ((EFI_D_INFO, "Heap Offset = 0x%lX Stack Offset = 0x%lX\n", (UINT64)Private->HeapOffset, (UINT64)(StackOffset)));