Unhard-coded 'message_queue:port:${_param:rabbitmq_port}'

Change-Id: I9c57a01b4e9f3b5cc03a7618ac8b7af1d227ab76
diff --git a/neutron/compute/cluster.yml b/neutron/compute/cluster.yml
index 4263295..92e3a2e 100644
--- a/neutron/compute/cluster.yml
+++ b/neutron/compute/cluster.yml
@@ -9,6 +9,7 @@
     neutron_bgp_vpn_driver: bagpipe
     openstack_rabbitmq_x509_enabled: False
     rabbitmq_ssl_enabled: False
+    openstack_rabbitmq_port: 5672
   linux:
     system:
       package:
@@ -28,6 +29,7 @@
       backend:
         tenant_network_types: ${_param:neutron_tenant_network_types}"
       message_queue:
+        port: ${_param:openstack_rabbitmq_port}
         members:
           - host: ${_param:openstack_message_queue_node01_address}
           - host: ${_param:openstack_message_queue_node02_address}