op-build update 9-11-2017

Changes Included for hostboot:
4c1db1e - Joe McGill - 2017-09-11 - p9_pba_coherent_utils -- remove unsafe buffer checks
29cb1f6 - Dan Crowell - 2017-09-11 - Add terminate option for mfg stop on error case
de726d0 - Joe McGill - 2017-09-10 - resolve Zeppelin DMI channel framelock issues
41357a7 - Joe McGill - 2017-09-10 - p9c.mi.scom.initfile -- default to block all sync pipelines
0d0d6f0 - Ben Gass - 2017-09-10 - Updates for Cumulus dmi/mi/mc initfiles
979b926 - Shelton Leung - 2017-09-08 - dis spec ops dcbf HW414958
922ada6 - LiuYangFan - 2017-09-08 - p9_chiplet_scominit - add Cumulus support
26aca87 - Lennard Streat - 2017-09-08 - Cleaning up bugs in cumulus init files.
c8674d7 - Sachin Gupta - 2017-09-08 - Adding trace in FAPI_ASSERT
b786d11 - Sachin Gupta - 2017-09-08 - Solve compilation issue for type casting
e256039 - Greg Still - 2017-09-08 - WOF: p9_pstate_parameter_block enhancements for WOF and VDM enablement
e0c44c4 - dchowe - 2017-09-08 - Add Zeppelin Epsilon settings
fd99c86 - Jenny Huynh - 2017-09-08 - Enabling PWC for Nimbus DD2.0+ and Cumulus DD1.0+
8a207b1 - Andre Marin - 2017-09-08 - Add Connector to SDRAM Bit Mapping to the SPD decoder and unit tests
3fe60bb - Joachim Fenkes - 2017-09-08 - p9_sbe_tracearray: Add chip type detection to support changed p9c MC traces
9b1ddbd - Greg Still - 2017-09-08 - PM: Change FFDC for SGPE and PGPE based on failure error log debug
diff --git a/openpower/package/hostboot/hostboot.mk b/openpower/package/hostboot/hostboot.mk
index 27f6d62..4e08d67 100644
--- a/openpower/package/hostboot/hostboot.mk
+++ b/openpower/package/hostboot/hostboot.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 HOSTBOOT_VERSION_BRANCH_MASTER_P8 ?= 695bd891343faf1f0ef85fe53148590e58239efd
-HOSTBOOT_VERSION_BRANCH_MASTER ?= 4642c8b6464ba0ed3c9c2f81ce0d815d60905666
+HOSTBOOT_VERSION_BRANCH_MASTER ?= 4c1db1e6180e5f33eba647d364063d78218aaf8d
 
 HOSTBOOT_VERSION ?= $(if $(BR2_OPENPOWER_POWER9),$(HOSTBOOT_VERSION_BRANCH_MASTER),$(HOSTBOOT_VERSION_BRANCH_MASTER_P8))
 HOSTBOOT_SITE ?= $(call github,open-power,hostboot,$(HOSTBOOT_VERSION))