Added infra_config_hostname soft param to missing virtual labs

Change-Id: Ic8631a2125af9ca321c7b5af34f4b6c0ecebbee3
diff --git a/classes/cluster/virtual-mcp05-ovs/init.yml b/classes/cluster/virtual-mcp05-ovs/init.yml
index ead6ba8..0249838 100644
--- a/classes/cluster/virtual-mcp05-ovs/init.yml
+++ b/classes/cluster/virtual-mcp05-ovs/init.yml
@@ -14,6 +14,7 @@
     cluster_domain: virtual-mcp05-ovs.local
     cluster_name: virtual-mcp05-ovs
     # infra service addresses
+    infra_config_hostname: cfg01
     infra_config_address: 172.16.10.100
     # openstack service addresses
     openstack_proxy_address: 172.16.10.121