Return only present DIMM children to fapi

Switching from possible to present for fapi2::getChildren
when asked about DIMMs

Change-Id: If5febce96b546ad1553dad0f5feb37ca07c4da97
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/41274
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-by: JACOB L. HARVEY <jlharvey@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/include/usr/fapi2/target.H

@@ -784,6 +784,7 @@ FAPI_DBG(ENTER_MRK "getChildren. Type 0x%08x State:0x%08x", T, i_state);
 
     if(!l_functional)
     {
+        // PERV targets use a special interface
         if(K == fapi2::TARGET_TYPE_PERV)
         {
             TARGETING::getPervasiveChildTargetsByState(l_childList,
@@ -792,6 +793,18 @@ FAPI_DBG(ENTER_MRK "getChildren. Type 0x%08x State:0x%08x", T, i_state);
                           l_type,
                           TARGETING::UTIL_FILTER_ALL);
         }
+        // DIMMs need to use PRESENT so that we don't report things
+        //  that aren't installed
+        else if(K == fapi2::TARGET_TYPE_DIMM)
+        {
+            TARGETING::getChildAffinityTargetsByState(l_childList,
+                          static_cast<TARGETING::Target*>(this->get()),
+                          TARGETING::CLASS_NA,
+                          l_type,
+                          TARGETING::UTIL_FILTER_PRESENT);
+        }
+        // All chiplets need to use ALL so that we report the architectural
+        //  limits, versus what PG might say
         else
         {
             TARGETING::getChildAffinityTargetsByState(l_childList,