Merge pull request #1473 from op-jenkins/op-build-update_856_9-21-2017

op-build update 9-21-2017
diff --git a/openpower/package/hostboot/hostboot.mk b/openpower/package/hostboot/hostboot.mk
index 1a3719c..0bc0af0 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 ?= 3bd9350522b9923f078c8528d873f77caaa8fa1a
+HOSTBOOT_VERSION_BRANCH_MASTER ?= 4b2859591b45f9b83c6856c4d242e20fc236ebf0
 
 HOSTBOOT_VERSION ?= $(if $(BR2_OPENPOWER_POWER9),$(HOSTBOOT_VERSION_BRANCH_MASTER),$(HOSTBOOT_VERSION_BRANCH_MASTER_P8))
 HOSTBOOT_SITE ?= $(call github,open-power,hostboot,$(HOSTBOOT_VERSION))