Added infra_config_hostname soft param to missing virtual labs

Change-Id: Ic8631a2125af9ca321c7b5af34f4b6c0ecebbee3
diff --git a/classes/cluster/virtual-mcp11-contrail/infra/init.yml b/classes/cluster/virtual-mcp11-contrail/infra/init.yml
index b6a6cc2..1d6d63b 100755
--- a/classes/cluster/virtual-mcp11-contrail/infra/init.yml
+++ b/classes/cluster/virtual-mcp11-contrail/infra/init.yml
@@ -2,6 +2,7 @@
   _param:
     cluster_domain: virtual-mcp11-contrail.local
     cluster_name: virtual-mcp11-contrail
+    infra_config_hostname: cfg01
     infra_config_address: 172.16.10.100
   linux:
     network:
@@ -9,8 +10,8 @@
         cfg01:
           address: ${_param:infra_config_address}
           names:
-          - cfg01
-          - cfg01.${_param:cluster_domain}
+          - ${_param:infra_config_hostname}
+          - ${_param:infra_config_hostname}.${_param:cluster_domain}
         cfg:
           address: ${_param:infra_config_address}
           names: