CORD-1639 Add 'node' to image whitelists

Change-Id: I43548176889a3a74a5aace15ac6b7e2c613e0176
diff --git a/scenarios/opencloud/config.yml b/scenarios/opencloud/config.yml
index e9a6a79..d302369 100644
--- a/scenarios/opencloud/config.yml
+++ b/scenarios/opencloud/config.yml
@@ -102,6 +102,7 @@
   - "nginx"
   - "onosproject/onos"
   - "redis"
+  - "node"