op-build update 4-15-2021

Changes Included for package hostboot, branch master:
d278c48 - Mark Pizzutillo - 2021-04-14 - Snapshot port of PMIC code to master
b47abff - Stephen Glancy - 2021-04-14 - Adds host and explorer DL registers to training FFDC

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/hostboot/Config.in b/openpower/package/hostboot/Config.in
index 2295415..4d7c2ae 100644
--- a/openpower/package/hostboot/Config.in
+++ b/openpower/package/hostboot/Config.in
@@ -25,7 +25,7 @@
 
 config BR2_HOSTBOOT_VERSION
 	string
-	default "0d0700f7e0d2194ded999e6e34b89f435256a041" if BR2_HOSTBOOT_LATEST_VERSION
+	default "d278c489a8c7f43bcb3b2f413869999c10236f2a" if BR2_HOSTBOOT_LATEST_VERSION
 	default BR2_HOSTBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_CUSTOM_VERSION