pass controllerPort to VTN app

Change-Id: Idc85737b9788072ae8a9438151b276a8fad7f00a
diff --git a/xos/tosca/resources/vtnservice.py b/xos/tosca/resources/vtnservice.py
index 4a525e1..1bbbaaa 100644
--- a/xos/tosca/resources/vtnservice.py
+++ b/xos/tosca/resources/vtnservice.py
@@ -4,4 +4,4 @@
 class XOSVTNService(XOSService):
     provides = "tosca.nodes.VTNService"
     xos_model = VTNService
-    copyin_props = ["view_url", "icon_url", "enabled", "published", "public_key", "versionNumber", 'privateGatewayMac', 'localManagementIp', 'ovsdbPort', 'sshPort', 'sshUser', 'sshKeyFile', 'mgmtSubnetBits', 'xosEndpoint', 'xosUser', 'xosPassword', 'vtnAPIVersion']
+    copyin_props = ["view_url", "icon_url", "enabled", "published", "public_key", "versionNumber", 'privateGatewayMac', 'localManagementIp', 'ovsdbPort', 'sshPort', 'sshUser', 'sshKeyFile', 'mgmtSubnetBits', 'xosEndpoint', 'xosUser', 'xosPassword', 'vtnAPIVersion', 'controllerPort']