MdeModulePkg/PiSmmCpuDxeSmm: Check RegisterCpuInterruptHandler status

Once platform selects the incorrect instance, the caller could know it from
return status and ASSERT().

Cc: Feng Tian <feng.tian@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>

UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c

@@ -1375,5 +1375,8 @@ InitIdtr (
   VOID
   )
 {
-  SmmRegisterExceptionHandler (&mSmmCpuService, EXCEPT_IA32_DEBUG, DebugExceptionHandler);
+  EFI_STATUS                        Status;
+
+  Status = SmmRegisterExceptionHandler (&mSmmCpuService, EXCEPT_IA32_DEBUG, DebugExceptionHandler);
+  ASSERT_EFI_ERROR (Status);
 }