Use linaro-local/gcc-${VERSION}-integration-branch with VERSION=5 by default.

Change-Id: I494498f24d7bb1aa0a44d82d8e365ecb1776a235
diff --git a/backflip b/backflip
index 237dbfe..6b44c4d 100755
--- a/backflip
+++ b/backflip
@@ -9,8 +9,8 @@
 # ==============================================================================
 # Configuration
 # ==============================================================================
-VERSION=4.9
-REF_BRANCH=linaro-${VERSION}-branch
+VERSION=5
+REF_BRANCH=linaro-local/gcc-${VERSION}-integration-branch
 
 DATE=`date +%Y-%m-%d`
 NAME=`git config user.name`
@@ -30,7 +30,7 @@
 	STACKED=true
     ;;
     v ) VERSION=$OPTARG
-	REF_BRANCH=linaro-${VERSION}-branch
+	REF_BRANCH=linaro-local/gcc-${VERSION}-integration-branch
     ;;
   esac
 done