PRD: Fix getBadDqBitmap check for dimm

Change-Id: Ia88da88269919a36a0d4859b2226034f411dc35d
CQ: SW455555
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/71098
Reviewed-by: Brian J. Stegmiller <bjs@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Zane C. Shelley <zshelle@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/71148
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>

src/usr/diag/prdf/common/plat/prdfPlatServices_common.C

@@ -641,7 +641,7 @@ uint32_t __getBadDqBitmap( TargetHandle_t i_trgt, const MemRank & i_rank,
     for ( uint32_t ps = 0; ps < MAX_MEM_PORT; ps++ )
     {
         // Skip if the DIMM doesn't exist
-        if ( nullptr != getConnectedDimm(i_trgt, i_rank, ps) ) continue;
+        if ( nullptr == getConnectedDimm(i_trgt, i_rank, ps) ) continue;
 
         errlHndl_t errl = nullptr;