Yocto 2.5

Move OpenBMC to Yocto 2.5(sumo)

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I5c5ad6904a16e14c1c397f0baf10c9d465594a78
diff --git a/import-layers/yocto-poky/meta/classes/image-prelink.bbclass b/import-layers/yocto-poky/meta/classes/image-prelink.bbclass
index f3bb68b..6a8afa8 100644
--- a/import-layers/yocto-poky/meta/classes/image-prelink.bbclass
+++ b/import-layers/yocto-poky/meta/classes/image-prelink.bbclass
@@ -36,7 +36,7 @@
 	dynamic_loader=$(linuxloader)
 
 	# prelink!
-	if [ "$BUILD_REPRODUCIBLE_BINARIES" = "1" ]; then
+	if [ "${BUILD_REPRODUCIBLE_BINARIES}" = "1" ]; then
 		bbnote " prelink: BUILD_REPRODUCIBLE_BINARIES..."
 		if [ "$REPRODUCIBLE_TIMESTAMP_ROOTFS" = "" ]; then
 			export PRELINK_TIMESTAMP=`git log -1 --pretty=%ct `