Pass ONOS_CONFIG variable through the run-voltha.sh script

Change-Id: Idc2f66df843dd9dee0c6397dff3317ddabc5bf7c
diff --git a/scripts/run-voltha.sh b/scripts/run-voltha.sh
index eff1ce2..c019a83 100755
--- a/scripts/run-voltha.sh
+++ b/scripts/run-voltha.sh
@@ -29,7 +29,7 @@
 
     TMP_STACK_FILE=$(mktemp -u)
 
-    cat $STACK_TEMPLATE 2>&1 | docker run -e CUSTOM_CLI_LABEL=$CUSTOM_CLI_LABEL -e RADIUS_ROOT=$RADIUS_ROOT -e CONSUL_ROOT=$CONSUL_ROOT -e VOLTHA_LOGS=$VOLTHA_LOGS -e SWARM_MANAGER_COUNT=$SWARM_MANAGER_COUNT --rm -i ${REGISTRY}${REPOSITORY}voltha-j2:${TAG} - 2>&1 > $TMP_STACK_FILE
+    cat $STACK_TEMPLATE 2>&1 | docker run -e CUSTOM_CLI_LABEL=$CUSTOM_CLI_LABEL -e RADIUS_ROOT=$RADIUS_ROOT -e CONSUL_ROOT=$CONSUL_ROOT -e VOLTHA_LOGS=$VOLTHA_LOGS -e SWARM_MANAGER_COUNT=$SWARM_MANAGER_COUNT -e ONOS_CONFIG=$ONOS_CONFIG --rm -i ${REGISTRY}${REPOSITORY}voltha-j2:${TAG} - 2>&1 > $TMP_STACK_FILE
     docker stack deploy -c $TMP_STACK_FILE voltha
 
     rm -f $TMP_STACK_FILE