op-build update 12-6-2019

Changes Included for package hostboot, branch master:
b284071 - Dean Sanner - 2019-12-05 - Add missing target types for OCMB
aad465f - Dan Crowell - 2019-12-05 - For ATTR_MSS_OCMB_HALF_DIMM_MODE to full dimm mode
ecac819 - Mark Pizzutillo - 2019-12-05 - Add asserts for invalid states of enterprise & half dimm mode
ef6600c - Louis Stermole - 2019-12-04 - Add empty file for exp_port_traits

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/hostboot/Config.in b/openpower/package/hostboot/Config.in
index 99a07cd..797392c 100644
--- a/openpower/package/hostboot/Config.in
+++ b/openpower/package/hostboot/Config.in
@@ -25,7 +25,7 @@
 
 config BR2_HOSTBOOT_VERSION
 	string
-	default "7cb71794b276a25ec3df8ae8b4844ff1be42234a" if BR2_HOSTBOOT_LATEST_VERSION
+	default "b28407123f5e5e834d658f994432ea77f8ba01d9" if BR2_HOSTBOOT_LATEST_VERSION
 	default BR2_HOSTBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_CUSTOM_VERSION