Clear out FIR Init parameters after extra PM Resets

There are two cases where we do an extra PM reset during boot:
- enabling OCC Xstop Handler
- mpipl

The ATTR_PM_FIRINIT_DONE_ONCE_FLAG value needs to get cleared
out to force the later 'real' use of the PM complex is setup
correctly.

Change-Id: Ibbe8d65bd6668a88a0e933d1144cd2972f0f0340
CQ: SW449953
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/69139
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/usr/isteps/istep15/host_build_stop_image.C

@@ -406,7 +406,7 @@ void* host_build_stop_image (void *io_pArgs)
 
         if (l_sys->getAttr<TARGETING::ATTR_IS_MPIPL_HB>())
         {
-            l_errl = HBPM::resetPMAll();
+            l_errl = HBPM::resetPMAll(HBPM::RESET_AND_CLEAR_ATTRIBUTES);
             if(l_errl)
             {
                 //Break out of the do-while loop..

src/usr/isteps/pm/occCheckstop.C

@@ -293,6 +293,13 @@ namespace HBOCC
                 break;
             }
 
+            // Need to clear out some state variables that get messed up
+            //  during the PM Reset, e.g. the FIR Init flags
+            l_errl = HBPM::resetPMAll(HBPM::CLEAR_ATTRIBUTES);
+            if( l_errl )
+            {
+                break;
+            }
 
         } while(0);
 

src/usr/isteps/pm/pm_common.C

@@ -1062,7 +1062,11 @@ namespace HBPM
 
             if( CLEAR_ATTRIBUTES & i_opt )
             {
+                // Zero out the HOMER vars
                 (void) convertHomerPhysToVirt( l_procChip, 0 );
+
+                // Zero out the FIR save/restore
+                l_procChip->setAttr<ATTR_PM_FIRINIT_DONE_ONCE_FLAG>(0);
             }
         }