p9_fab_iovalid -- invoke link validation subroutine

  call to p9_fab_iovalid_link_validate was missing, invoke to verify link
  state when HWP is called to raise iovalid

Change-Id: If4e52d61804300bd29934833a668f6b9a0c8446d
Original-Change-Id: I43872a281c008d52d88c05f662adeb5f51f4e524
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/37095
Reviewed-by: CHRISTINA L. GRAVES <clgraves@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/59103
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Tested-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/import/chips/p9/procedures/hwp/nest/p9_fab_iovalid.C

@@ -385,6 +385,10 @@ p9_fab_iovalid(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
                                      l_x_agg_link_delay[l_link_id]),
                                  "Error from p9_fab_iovalid_get_link_delays (X, optical)");
                     }
+
+                    FAPI_TRY(p9_fab_iovalid_link_validate(i_target,
+                                                          P9_FBC_XBUS_LINK_CTL_ARR[l_link_id]),
+                             "Error from p9_fab_iovalid_link_validate (X)");
                 }
             }
         }
@@ -416,6 +420,10 @@ p9_fab_iovalid(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
                                  P9_FBC_ABUS_LINK_CTL_ARR[l_a_rem_link_id[l_link_id]],
                                  l_a_agg_link_delay[l_link_id]),
                              "Error from p9_fab_iovalid_get_link_delays (A)");
+
+                    FAPI_TRY(p9_fab_iovalid_link_validate(i_target,
+                                                          P9_FBC_ABUS_LINK_CTL_ARR[l_link_id]),
+                             "Error from p9_fab_iovalid_link_validate (A)");
                 }
             }
         }