Add cluster_internal_protocol to virtual-mcp-pike-ovs and virtual-offline-pike-ovs-dpdk

Change-Id: If53baf8cd18078062a8d2d036130b77d186fa744
diff --git a/classes/cluster/virtual-mcp-pike-ovs/openstack/init.yml b/classes/cluster/virtual-mcp-pike-ovs/openstack/init.yml
index 68fdc35..63f26bb 100644
--- a/classes/cluster/virtual-mcp-pike-ovs/openstack/init.yml
+++ b/classes/cluster/virtual-mcp-pike-ovs/openstack/init.yml
@@ -44,6 +44,7 @@
     openstack_region: RegionOne
     admin_email: root@localhost
     cluster_public_protocol: http
+    cluster_internal_protocol: http
     cluster_public_host: 172.16.10.254
     telemetry_public_host: ${_param:openstack_telemetry_address}
     neutron_public_protocol: http