Give neutron ports names: $HOSTNAME_$NETWORKNAME

Set the name property of neutron ports created for
composable networks to:
 $HOSTNAME_$NETWORKNAME

This is helpful when troubleshooting, a simple port
list will tell us what port and ip is assigned to the
different overcloud nodes.

Change-Id: I9d067654a81826d79574d17bd073747b2f59d114

puppet/role.role.j2.yaml

@@ -411,6 +411,11 @@ resources:
   {{network.name}}Port:
     type: OS::TripleO::{{role.name}}::Ports::{{network.name}}Port
     properties:
+      PortName:
+        list_join:
+          - '_'
+          - - {get_attr: [{{server_resource_name}}, name]}
+            - {{network.name}}
       ControlPlaneIP: {get_attr: [{{server_resource_name}}, networks, ctlplane, 0]}
       FixedIPs:
         if: