VOL-2238 - support a single rw-core deployment

Change-Id: I9e043af09e2974f93c15fa257d9a87acfcd5cd57
diff --git a/voltha/values.yaml b/voltha/values.yaml
index ba15bcd..e225727 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -16,6 +16,7 @@
 serviceaccount: voltha-serviceaccount
 private_etcd_cluster: true
 private_kafka_cluster: true
+therecanbeonlyone: false
 
 # Default Values
 # The following are the default values used for every container in the