Update backing build

Change-Id: I4d940bb92356d02301ea23e82b8674aaf88ce0c9
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/51777
Reviewed-by: Claus M. Olsen <cmolsen@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>

customrc

@@ -6,7 +6,7 @@
 #
 # OpenPOWER sbe Project
 #
-# Contributors Listed Below - COPYRIGHT 2015,2017
+# Contributors Listed Below - COPYRIGHT 2015,2018
 # [+] International Business Machines Corp.
 #
 #
@@ -33,6 +33,6 @@ export SANDBOXNAME=test_sb
 #export WORKSPACE=<set it to your root ppe directory. This is required if you
 #                  to use build script locally>
 export MACHINE=NIMBUS
-export BACKING_BUILD=/esw/fips911/Builds/b1219a_1752.911/
+export BACKING_BUILD=/esw/fips911/Builds/b0109a_1802.911/
 export SIMICSOPTIONS="-nre"