Add neutron_enable_vlan_aware_vms option

Add option to enable VLAN-aware-VMs for Neutron.

Change-Id: Iac59055ac589c6c947c737f7896a02a21ef0a2e3
diff --git a/neutron/gateway/cluster.yml b/neutron/gateway/cluster.yml
index a4f37b1..c96c6bb 100644
--- a/neutron/gateway/cluster.yml
+++ b/neutron/gateway/cluster.yml
@@ -3,10 +3,12 @@
 parameters:
   _param:
     neutron_enable_qos: False
+    neutron_enable_vlan_aware_vms: False
   neutron:
     gateway:
       dvr: ${_param:neutron_gateway_dvr}
       qos: ${_param:neutron_enable_qos}
+      vlan_aware_vms: ${_param:neutron_enable_vlan_aware_vms}
       agent_mode: ${_param:neutron_gateway_agent_mode}
       backend:
         tenant_network_types: ${_param:neutron_tenant_network_types}"