Add state for renaming hm neutron port

Depends on neutron salt-formula change
I605a50e92331cc6e7bb18ffb3b7a79d0aeae0880

Change-Id: I690b4e06487634244bbf45757f0cec3d05fb7c0c
diff --git a/octavia/_rename_hm_neutron_port.sls b/octavia/_rename_hm_neutron_port.sls
new file mode 100644
index 0000000..9c1d8e8
--- /dev/null
+++ b/octavia/_rename_hm_neutron_port.sls
@@ -0,0 +1,5 @@
+rename_hm_neutron_port_gtw01:
+  neutronv2.port_present:
+    - cloud_name: octavia_identity
+    - port_name: 'octavia-health-manager-listen-port'
+    - name: 'octavia-health-manager-listen-port-gtw01'