NVDIMM Flush update

 - Stop Instruction on all cores before NVDIMM Flush procedure in MPIPL

Change-Id: I5a0e5314549f52b7a6a9460f1a87c798d5f74735
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/71362
Reviewed-by: Sunil Kumar <skumar8j@in.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Srikantha S. Meesala <srikantha@in.ibm.com>
Reviewed-by: Krishna Swaroop Athmaram <krathmar@in.ibm.com>
Reviewed-by: RAJA DAS <rajadas2@in.ibm.com>

src/sbefw/app/power/ipl_table.C

@@ -773,6 +773,15 @@ ReturnCode istepWithCoreState( voidfuncptr_t i_hwp)
             }
         }
     }
+    if( l_rc == FAPI2_RC_SUCCESS )
+    {
+        l_rc = flushNVDIMM();
+        if( l_rc != FAPI2_RC_SUCCESS )
+        {
+            SBE_ERROR(SBE_FUNC "flushNVDIMM failed");
+        }
+    }
+
     SBE_EXIT(SBE_FUNC);
     return l_rc;
     #undef SBE_FUNC
@@ -999,12 +1008,6 @@ ReturnCode istepStartMpipl( voidfuncptr_t i_hwp)
             SBE_ERROR(SBE_FUNC "resetCrespErrLatch failed");
             break;
         }
-        rc = flushNVDIMM();
-        if( rc != FAPI2_RC_SUCCESS )
-        {
-            SBE_ERROR(SBE_FUNC "flushNVDIMM failed");
-            break;
-        }
 
     }while(0);