Fix MFG P9 ZZ: BC70E540 (MCFIR[8]) command list timeout

Change-Id: I14fdaaee2c5d8d877288f0c8bb68ecdb7f8bc359
CQ: SW421234
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/55930
Reviewed-by: Dean Sanner <dsanner@us.ibm.com>
Reviewed-by: Jenny Huynh <jhuynh@us.ibm.com>
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>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/55938
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/import/chips/p9/procedures/hwp/nest/p9_revert_sbe_mcs_setup.C

@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2015,2017                        */
+/* Contributors Listed Below - COPYRIGHT 2015,2018                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
@@ -97,6 +97,8 @@ const uint64_t MCS_MCFIRMASK_OR_ARR[NUM_MCS_MI_TARGETS] =
     MCS_3_MCFIRMASK_OR
 };
 
+const uint64_t MCS_MCMODE1_DISABLE_SPEC_OP_DCBF_BIT = 45;
+
 //------------------------------------------------------------------------------
 // Function definitions
 //------------------------------------------------------------------------------
@@ -162,6 +164,10 @@ revert_mc_hb_dcbz_config(
             l_mcmode1.clearBit<MCS_MCMODE1_DISABLE_ALL_SPEC_OPS>();
             l_mcmode1.clearBit<MCS_MCMODE1_DISABLE_SPEC_OP,
                                MCS_MCMODE1_DISABLE_SPEC_OP_LEN>();
+
+            // We need to set dcbf bit
+            l_mcmode1.setBit<MCS_MCMODE1_DISABLE_SPEC_OP_DCBF_BIT>();
+
             l_mcmode1.clearBit<MCS_MCMODE1_DISABLE_COMMAND_BYPASS,
                                MCS_MCMODE1_DISABLE_COMMAND_BYPASS_LEN>();
             l_mcmode1.clearBit<MCS_MCMODE1_DISABLE_FP_COMMAND_BYPASS>();