[VOL-3906] Dynamically generating controller list

Change-Id: Iadff3fc9e44549b42f6cff5ce49a3db692afa5be
diff --git a/voltha-stack/values.yaml b/voltha-stack/values.yaml
index 74015e1..ca2ec1b 100644
--- a/voltha-stack/values.yaml
+++ b/voltha-stack/values.yaml
@@ -25,6 +25,9 @@
 
 voltha:
   enabled: true
+  onos_classic:
+    onosOfPort: 6653
+    replicas: 1
   ingress:
     enabled: false
     enableVirtualHosts: false
@@ -43,9 +46,6 @@
       address: "{{ .Values.global.voltha_infra_name }}-etcd.{{ .Values.global.voltha_infra_namespace }}.svc:2379"
     tracing_agent:
       address: "{{ .Values.global.voltha_infra_name }}-voltha-tracing-jaeger-agent.{{ .Values.global.voltha_infra_namespace }}.svc:6831"
-    controller:
-      # TODO need to customize for multiple instances
-      - address: "{{ .Values.global.voltha_infra_name }}-onos-classic-hs.{{ .Values.global.voltha_infra_namespace }}.svc:6653"
 
 voltha-adapter-openonu:
   enabled: true