Support reading RISK_LEVEL from mbox scratch regs

Change-Id: I350c5aa31322914d573caf3df47da2e459da6aa3
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/36584
Reviewed-by: Martin Gloff <mgloff@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com>
Reviewed-by: Matthew A. Ploetz <maploetz@us.ibm.com>

src/usr/targeting/targetservicestart.C

@@ -288,6 +288,14 @@ static void initializeAttributes(TargetService& i_targetService,
             {
                 l_pTopLevel->setAttr<ATTR_ISTEP_MODE>(1);
             }
+
+            //Set the RISK_LEVEL ATTR based off of master Scratch regs
+            INITSERVICE::SPLESS::MboxScratch5_t l_scratch5;
+            l_scratch5.data32 = i_masterScratch[INITSERVICE::SPLESS::SCRATCH_5];
+            if(l_scratch5.riskLevel)
+            {
+                l_pTopLevel->setAttr<ATTR_RISK_LEVEL>(1);
+            }
         }
 
         if(i_isMpipl)