Adding placement-api

The patch adds placement-api public endpoint to
proxy node to be used as a regular OpenStack service.

Change-Id: I172c7f576b6b31e24583fd9a898e9a981ebe36d0
diff --git a/classes/cluster/sl-os-contrail/openstack/init.yml b/classes/cluster/sl-os-contrail/openstack/init.yml
index c600e35..27d7fe2 100755
--- a/classes/cluster/sl-os-contrail/openstack/init.yml
+++ b/classes/cluster/sl-os-contrail/openstack/init.yml
@@ -77,6 +77,7 @@
     ceilometer_graphite_publisher_port: 2013
     nova_version: ${_param:openstack_version}
     nova_service_host: ${_param:openstack_control_address}
+    placement_service_host: ${_param:openstack_control_address}
     nova_vncproxy_url: http://${_param:openstack_control_address}:8060
     neutron_version: ${_param:openstack_version}
     neutron_service_host: ${_param:openstack_control_address}