CORD-1845: Update backend messages to match new scheme (backend_status and
backend_code instead of backend_status alone)

Change-Id: Idb8b6e1f6b4f993e262491238e98018b4f603399
diff --git a/xos/synchronizer/steps/sync_controller_images.py b/xos/synchronizer/steps/sync_controller_images.py
index 6837d7a..798e198 100644
--- a/xos/synchronizer/steps/sync_controller_images.py
+++ b/xos/synchronizer/steps/sync_controller_images.py
@@ -50,5 +50,6 @@
     def map_sync_outputs(self, controller_image, res):
         image_id = res[0]['id']
         controller_image.glance_image_id = image_id
-	controller_image.backend_status = '1 - OK'
+	controller_image.backend_status = 'OK'
+	controller_image.backend_code = 1
         controller_image.save()