CORD-1111 use prebuilt xosproject/xos image

Change-Id: Id689415b8919765284b12af6c4cfc977801876f4
diff --git a/roles/cord-profile/templates/xos.yaml.j2 b/roles/cord-profile/templates/xos.yaml.j2
index 626660c..b886d87 100644
--- a/roles/cord-profile/templates/xos.yaml.j2
+++ b/roles/cord-profile/templates/xos.yaml.j2
@@ -15,6 +15,7 @@
         bootstrap_ui_port: {{ xos_bootstrap_ui_port }}
         docker_project_name: {{ cord_profile | regex_replace('\W','') }}
         db_container_name: {{ cord_profile | regex_replace('\W','') }}bs_xos_db_1
+        source_ui_image: {{ xos_docker_image }}
 {% if use_redis %}
         redis_container_name: {{ cord_profile | regex_replace('\W','') }}bs_xos_redis_1
 {% endif %}