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

Change-Id: I9c57a01b4e9f3b5cc03a7618ac8b7af1d227ab76
diff --git a/cinder/volume/local.yml b/cinder/volume/local.yml
index d1634d0..b0e179a 100644
--- a/cinder/volume/local.yml
+++ b/cinder/volume/local.yml
@@ -8,6 +8,7 @@
     galera_ssl_enabled: False
     openstack_rabbitmq_x509_enabled: False
     rabbitmq_ssl_enabled: False
+    openstack_rabbitmq_port: 5672
   cinder:
     volume:
       enabled: True
@@ -23,6 +24,7 @@
       glance:
         host: ${_param:single_address}
       message_queue:
+        port: ${_param:openstack_rabbitmq_port}
         host: ${_param:single_address}
         x509:
           enabled: ${_param:openstack_rabbitmq_x509_enabled}