Change EfiConvertPointer() and EfiSetVirtualAddressMap() to use gRT instead of mRT because these two functions must only be called in physical mode, so there is never any need for them to use mRT that is converted to a virtual address

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3581 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/UefiRuntimeLib/RuntimeService.c

@@ -258,7 +258,7 @@ EfiConvertPointer (
   IN OUT VOID               **Address
   )
 {
-  return mRT->ConvertPointer (DebugDisposition, Address);
+  return gRT->ConvertPointer (DebugDisposition, Address);
 }
 
 
@@ -335,7 +335,7 @@ EfiSetVirtualAddressMap (
   IN CONST EFI_MEMORY_DESCRIPTOR    *VirtualMap
   )
 {
-  return mRT->SetVirtualAddressMap (
+  return gRT->SetVirtualAddressMap (
                 MemoryMapSize,
                 DescriptorSize,
                 DescriptorVersion,