Add pull_docker_registry

Change-Id: Ic255aa0b800012c52c478dcd5228a598b4ff3b9b
diff --git a/roles/cord-profile/templates/Dockerfile.xos.j2 b/roles/cord-profile/templates/Dockerfile.xos.j2
index a8bfc2a..4b077e9 100644
--- a/roles/cord-profile/templates/Dockerfile.xos.j2
+++ b/roles/cord-profile/templates/Dockerfile.xos.j2
@@ -1,4 +1,4 @@
-FROM {{ deploy_docker_registry }}xosproject/xos:{{ deploy_docker_tag }}
+FROM {{ pull_docker_registry }}xosproject/xos:{{ pull_docker_tag }}
 
 ARG XOS_GIT_COMMIT_HASH=unknown
 ARG XOS_GIT_COMMIT_DATE=unknown