op-build update 4-16-2020

Changes Included for package hostboot, branch master:
b481ff0 - Adam Hale - 2020-04-16 - Init OMIC FIRs as masked
9ed3a8c - Caleb Palmer - 2020-04-16 - MDIA: For OCMBs avoid getting parent chip

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/hostboot/Config.in b/openpower/package/hostboot/Config.in
index 8ffc9e0..0b802b2 100644
--- a/openpower/package/hostboot/Config.in
+++ b/openpower/package/hostboot/Config.in
@@ -25,7 +25,7 @@
 
 config BR2_HOSTBOOT_VERSION
 	string
-	default "f198534f2a1baf02e3e56fcb52b85c9abf274c75" if BR2_HOSTBOOT_LATEST_VERSION
+	default "b481ff043e1b3fe97ac535cba28e087491986db7" if BR2_HOSTBOOT_LATEST_VERSION
 	default BR2_HOSTBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_HOSTBOOT_CUSTOM_VERSION