[SEBA-126] Fixing TOSCA to pass stricter validation

Change-Id: I1a8dbdc8d3ab5c283d7c730e9565b5386674e845
diff --git a/xos-services/volt/templates/_tosca.tpl b/xos-services/volt/templates/_tosca.tpl
index bbdef91..fd7e406 100644
--- a/xos-services/volt/templates/_tosca.tpl
+++ b/xos-services/volt/templates/_tosca.tpl
@@ -26,6 +26,7 @@
       type: tosca.nodes.VOLTService
       properties:
         name: volt
+        kind: data
         voltha_url: voltha.voltha.svc.cluster.local
         voltha_port: 8882
         onos_voltha_url: onos-voltha-ui.default.svc.cluster.local