unite opencontrail parameters

Change-Id: I61feba921bfc1517df5019ed6a1bf0aa64d1d5e6
diff --git a/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/control.yml b/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/control.yml
index 52e8c82..c926910 100644
--- a/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/control.yml
+++ b/classes/cluster/virtual-mcp11-k8s-contrail/kubernetes/control.yml
@@ -60,4 +60,4 @@
         private_ip_range: 10.150.0.0/16
         config:
           api:
-            address: ${_param:opencontrail_control_address}
+            host: ${_param:opencontrail_control_address}