Revert "Revert "Add openstack-gateway label to control plane explicitly""

This reverts commit 90af2f2b916568c474c7ecbbb520725c3585632f.

Reason for revert: PRODX-00000

Change-Id: I0086c4f8bb2ca96a38d6f6b64836172dd6943003
diff --git a/de/heat-templates/env/mstr1-wrkr3-cmp0-gtw0.yaml b/de/heat-templates/env/mstr1-wrkr3-cmp0-gtw0.yaml
index 2d9b1f9..e97ebd1 100644
--- a/de/heat-templates/env/mstr1-wrkr3-cmp0-gtw0.yaml
+++ b/de/heat-templates/env/mstr1-wrkr3-cmp0-gtw0.yaml
@@ -20,6 +20,6 @@
   cluster_public_key: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCp0evjOaK8c8SKYK4r2+0BN7g+8YSvQ2n8nFgOURCyvkJqOHi1qPGZmuN0CclYVdVuZiXbWw3VxRbSW3EH736VzgY1U0JmoTiSamzLHaWsXvEIW8VCi7boli539QJP0ikJiBaNAgZILyCrVPN+A6mfqtacs1KXdZ0zlMq1BPtFciR1JTCRcVs5vP2Wwz5QtY2jMIh3aiwkePjMTQPcfmh1TkOlxYu5IbQyZ3G1ahA0mNKI9a0dtF282av/F6pwB/N1R1nEZ/9VtcN2I1mf1NW/tTHEEcTzXYo1R/8K9vlqAN8QvvGLZtZduGviNVNoNWvoxaXxDt8CPv2B2NCdQFZp
   private_floating_network_cidr: '10.11.12.0/24'
   private_floating_interface: 'ens4'
-  worker_metadata: {"labels": {"openstack-control-plane":"enabled","openstack-compute-node":"enabled","openvswitch":"enabled","role":"ceph-osd-node"}}
+  worker_metadata: {"labels": {"openstack-control-plane":"enabled","openstack-compute-node":"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"}}