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

Change-Id: If53baf8cd18078062a8d2d036130b77d186fa744
diff --git a/classes/cluster/virtual-offline-pike-ovs-dpdk/openstack/init.yml b/classes/cluster/virtual-offline-pike-ovs-dpdk/openstack/init.yml
index f442b42..a8d1314 100644
--- a/classes/cluster/virtual-offline-pike-ovs-dpdk/openstack/init.yml
+++ b/classes/cluster/virtual-offline-pike-ovs-dpdk/openstack/init.yml
@@ -47,6 +47,7 @@
     telemetry_public_host: ${_param:openstack_telemetry_address}
     neutron_public_protocol: http
     cluster_public_protocol: http
+    cluster_internal_protocol: http
     neutron_control_dvr: False
     neutron_tenant_network_types: "flat,vxlan"
     neutron_l3_ha: False