Voltha helm optimizations

Change-Id: I25eca498cef603f3bb2dd978a1be00810728cd49
diff --git a/onos/values.yaml b/onos/values.yaml
index 688fff6..c46008f 100644
--- a/onos/values.yaml
+++ b/onos/values.yaml
@@ -28,8 +28,14 @@
 nameOverride: ""
 fullnameOverride: ""
 
+namespace: default
+serviceAccountName: default
+
 services:
-  serviceType: ClusterIP
+  openflowServiceType: ClusterIP
+  ovsdbServiceType: ClusterIP
+  sshServiceType: ClusterIP
+  uiServiceType: ClusterIP
   ovsdb:
     port: 6640
   openflow:
@@ -41,6 +47,8 @@
   cluster:
     port: 9876
 
+onos_env: []
+
 resources: {}
 
 nodeSelector: {}