op-build update 5-25-2020

Changes Included for package sbe, branch master:
a5aa22f - Stephen Glancy - 2020-05-24 - Updates WR VREF accessors to be generic
6869a63 - Matthew Hickman - 2020-05-23 - Added MRS attributes and MRS data handling for Explorer
da1b2af - Louis Stermole - 2020-05-22 - Fix DL_OMI_FIR unmasks after p9_chiplet_scominit to be DL specific

Signed-off-by: hostboot <hostboot@us.ibm.com>
diff --git a/openpower/package/sbe/Config.in b/openpower/package/sbe/Config.in
index e5f1d46..a44eccf 100644
--- a/openpower/package/sbe/Config.in
+++ b/openpower/package/sbe/Config.in
@@ -27,7 +27,7 @@
 
 config BR2_SBE_VERSION
 	string
-	default "c58e8fd0b44413ef08fafb0480b473a879a09a75" if BR2_SBE_LATEST_VERSION
+	default "a5aa22f2ed057779d2cf055f466e911f5ddce496" if BR2_SBE_LATEST_VERSION
 	default BR2_SBE_CUSTOM_VERSION_VALUE \
 		if BR2_SBE_CUSTOM_VERSION