Fix to SW473350: p9_xip_customize Vpd core fill bug

This commit fixes the returning of RC_XIPC_IMAGE_WOULD_OVERFLOW
even though the minimum requires cores has been filled.

Change-Id: Iac1031c56b60ce58ec1b9c1463566af04be5c3be
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/84619
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Reviewed-by: William G Hoffa <wghoffa@us.ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>
Reviewed-by: Jennifer A Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/84630
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>

src/import/chips/p9/procedures/hwp/customize/p9_xip_customize.C

@@ -2615,8 +2615,9 @@ ReturnCode p9_xip_customize (
 
                 if ((uint32_t)l_fapiRc == RC_XIPC_IMAGE_WOULD_OVERFLOW)
                 {
-                    FAPI_INF("p9_xip_customize(): Image is full. Ran out of space appending VPD rings"
-                             " to the .rings section");
+                    FAPI_INF("p9_xip_customize(): Image is full. Ran out of space appending VPD"
+                             " rings to the .rings section. Now checking if min required cores"
+                             " is satisfied.");
 
                     // Check the bootCoreMask to determine if enough cores have been configured.
                     uint8_t attrMinReqdEcs = 0;
@@ -2656,11 +2657,14 @@ ReturnCode p9_xip_customize (
                                  "Image buffer would overflow before reaching the minimum required"
                                  " number of EC boot cores" );
 
+                    fapi2::current_err = FAPI2_RC_SUCCESS;
+                }
+                else
+                {
+                    fapi2::current_err = l_fapiRc;
                 }
 
-                fapi2::current_err = l_fapiRc;
                 goto fapi_try_exit;
-
             }
 
             // More size code sanity checks of section and image sizes.