[CORD-1805] Fix ELK Stack support in the logging module

Change-Id: I03f9ffc83acac29dc4bb252ddae4e0d4bfa2b38e
diff --git a/scenarios/preppedpod/config.yml b/scenarios/preppedpod/config.yml
index 14d06ad..9e570c4 100644
--- a/scenarios/preppedpod/config.yml
+++ b/scenarios/preppedpod/config.yml
@@ -109,6 +109,7 @@
   - "onosproject/onos"
   - "redis"
   - "node"
+  - "sebp/elk"
 
 # Ansible Inventory
 inventory_groups: