PM: Fix DB0 Hang

        Key_Cronus_Test=PM_REGRESS

Change-Id: I706ec7b87e777b736153d5765ced0a3f6cea5d96
CQ: SW470688
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/81266
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Tested-by: Cronus HW CI <cronushw-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Reviewed-by: YUE DU <daviddu@us.ibm.com>
Reviewed-by: RANGANATHPRASAD G. BRAHMASAMUDRA <prasadbgr@in.ibm.com>
Reviewed-by: Jennifer A Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/81560
Reviewed-by: RAJA DAS <rajadas2@in.ibm.com>

src/import/chips/p9/procedures/hwp/lib/p9_pm_hcd_flags.h

@@ -129,6 +129,7 @@ enum PM_CME_FLAGS_DEFS
     CME_FLAGS_DROOP_SUSPEND_ENTRY                       = 14,
     CME_FLAGS_SAFE_MODE                                 = 16,
     CME_FLAGS_PSTATES_SUSPENDED                         = 17,
+    CME_FLAGS_DB0_COMM_RECV_STARVATION_CNT_ENABLED      = 18,
     CME_FLAGS_SPWU_CHECK_ENABLE                         = 22,
     CME_FLAGS_BLOCK_ENTRY_STOP11                        = 23,
     CME_FLAGS_PSTATES_ENABLED                           = 24,