Fix proxy node in newton/mitaka models

Change-Id: I58a901641bf33bde1f39f9034789edd75f6dac71
Closes-Bug: PROD-17886
diff --git a/classes/cluster/virtual-mcp-newton-ovs/infra/config.yml b/classes/cluster/virtual-mcp-newton-ovs/infra/config.yml
index 0ab3240..5a3ac24 100644
--- a/classes/cluster/virtual-mcp-newton-ovs/infra/config.yml
+++ b/classes/cluster/virtual-mcp-newton-ovs/infra/config.yml
@@ -21,6 +21,7 @@
 - system.reclass.storage.system.stacklight_server_cluster
 - system.reclass.storage.system.openstack_compute_multi
 - system.reclass.storage.system.openstack_dashboard_single
+- system.reclass.storage.system.openstack_proxy_single
 - system.reclass.storage.system.openstack_gateway_single
 - cluster.virtual-mcp-newton-ovs.openstack.proxy
 - cluster.virtual-mcp-newton-ovs.stacklight.proxy