op-build update 9-7-2018

Changes Included for package hostboot, branch master:
bb6dc04 - Richard J. Knight - 2018-09-06 - Add prototype for releasing platform data pointer storage function

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/hostboot/Config.in b/openpower/package/hostboot/Config.in
index 7394d48..7821c36 100644
--- a/openpower/package/hostboot/Config.in
+++ b/openpower/package/hostboot/Config.in
@@ -28,7 +28,7 @@
 
 config BR2_HOSTBOOT_VERSION
 	string
-	default "fd77849e3981e7a6e463d35c748ecb53b6a5dd81" if BR2_HOSTBOOT_LATEST_VERSION
+	default "bb6dc0455116376808c3bc090ceb58d80c9d7a90" if BR2_HOSTBOOT_LATEST_VERSION
         default "876b79aacd9b14f4c3561e954daa0285747c9662" if BR2_HOSTBOOT_STABLE_VERSION
 	default BR2_HOSTBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_CUSTOM_VERSION