EmulatorPkg: Change use of EFI_D_* to DEBUG_*

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3739

Update all use of EFI_D_* defines in DEBUG() macros to DEBUG_* defines.

Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael Kubacki <michael.kubacki@microsoft.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>

EmulatorPkg/ThunkPpiToProtocolPei/ThunkPpiToProtocolPei.c

@@ -47,7 +47,7 @@ Returns:
   EMU_THUNK_PPI           *Thunk;
   VOID                    *Ptr;
 
-  DEBUG ((EFI_D_ERROR, "Emu Thunk PEIM Loaded\n"));
+  DEBUG ((DEBUG_ERROR, "Emu Thunk PEIM Loaded\n"));
 
   Status = PeiServicesLocatePpi (
               &gEmuThunkPpiGuid,        // GUID