NVDIMM SBE Support to Trigger CSAVE - xip_customize

-Separate commit for p9_xip_customize.C due to prereqs for change
I5fc9ead249dda0062ca3ac5237113688a22eb50c

Change-Id: Id7873ea8127af58ea93be587a041a227aa163fe1
CQ:SW452306
CMVC-Prereq:1075342
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70253
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: RAJA DAS <rajadas2@in.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
Reviewed-by: Sunil Kumar <skumar8j@in.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70274
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

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

@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2016,2018                        */
+/* Contributors Listed Below - COPYRIGHT 2016,2019                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
@@ -164,7 +164,8 @@ fapi2::ReturnCode writeMboxRegs (
     MBOX_ATTR_WRITE (ATTR_PROC_EPS_READ_CYCLES_T2,  FAPI_SYSTEM,    i_image);
     MBOX_ATTR_WRITE (ATTR_PROC_EPS_WRITE_CYCLES_T1, FAPI_SYSTEM,    i_image);
     MBOX_ATTR_WRITE (ATTR_PROC_EPS_WRITE_CYCLES_T2, FAPI_SYSTEM,    i_image);
-    MBOX_ATTR_WRITE (ATTR_LPC_CONSOLE_CNFG,        i_procTarget,   i_image);
+    MBOX_ATTR_WRITE (ATTR_LPC_CONSOLE_CNFG,         i_procTarget,   i_image);
+    MBOX_ATTR_WRITE (ATTR_SBE_NVDIMM_IN_PORT,       i_procTarget,   i_image);
 
     // for backwards compatiblity with images that don't contain
     // the OB/MC PLL bucket attributes, ensure that the item exists