Add openstack-gateway label to control plane explicitly

For converged case when gateway and controller is hosted on same node
add gateway label explicitly.

Related-Prod: PRODX-00000
Change-Id: I541449b87fc30a8335a24eff0ba9d788ea35176e
diff --git a/de/heat-templates/env/bmt402-mstr1-wrkr3-cmp2-gtw0.yaml b/de/heat-templates/env/bmt402-mstr1-wrkr3-cmp2-gtw0.yaml
index a8596b7..06cb4e3 100644
--- a/de/heat-templates/env/bmt402-mstr1-wrkr3-cmp2-gtw0.yaml
+++ b/de/heat-templates/env/bmt402-mstr1-wrkr3-cmp2-gtw0.yaml
@@ -35,7 +35,7 @@
   private_floating_interface: 'enp3s0f1.403'
   storage_frontend_interface: 'enp3s0f1.404'
   storage_backend_interface: 'enp3s0f1.405'
-  worker_metadata: {"labels": {"openstack-control-plane":"enabled","openvswitch":"enabled","role":"ceph-osd-node"}}
+  worker_metadata: {"labels": {"openstack-control-plane":"enabled","openvswitch":"enabled","openstack-gateway":"enabled","role":"ceph-osd-node"}}
   cmp_metadata: {"labels": {"openstack-compute-node":"enabled","openvswitch":"enabled", "role":"ceph-osd-node"}}
   gtw_metadata: {"labels": {"openvswitch":"enabled"}}
   tunnel_interface: 'enp3s0f0'