Fix defaults if K8s only

Change-Id: I88db22be421e17677ed0d005aeef20e2ddfd5d42
diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index 749ccfa..c33d67e 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -7,6 +7,8 @@
     opencontrail_version: 2.2
     opencontrail_identity_port: 35357
     opencontrail_identity_version: '2.0'
+    keystone_admin_password: 'none'
+    keystone_service_token: 'none'
   opencontrail:
     common:
       version: ${_param:opencontrail_version}