unite opencontrail parameters

Change-Id: I61feba921bfc1517df5019ed6a1bf0aa64d1d5e6
diff --git a/classes/cluster/k8s_ha_contrail/kubernetes/control.yml b/classes/cluster/k8s_ha_contrail/kubernetes/control.yml
index 6b84d95..2e8fd73 100644
--- a/classes/cluster/k8s_ha_contrail/kubernetes/control.yml
+++ b/classes/cluster/k8s_ha_contrail/kubernetes/control.yml
@@ -44,5 +44,6 @@
         public_ip_range: 185.22.97.128/26
         public_network: default-domain:default-project:Public
         private_ip_range: 10.150.0.0/16
-        opencontrail:
-          address: ${_param:opencontrail_control_address}
+        config:
+          api:
+            host: ${_param:opencontrail_control_address}