fix vEPC kind in UI

Change-Id: I5a70b25d95db021d59477b55039e9c9b214014b7
diff --git a/xos/vhss.xproto b/xos/vhss.xproto
index 77cf464..165802e 100644
--- a/xos/vhss.xproto
+++ b/xos/vhss.xproto
@@ -1,5 +1,6 @@
 option name = "vHSS";
 option verbose_name = "Virtual Home Subscriber Server";
+option kind = "vEPC";
 
 message VHSSService (Service){
      option name = "VHSSService";