Update radius URL now that ONOS has moved namespace

Change-Id: I56d65cf4a4a38d5e90d50e60c78e566e530d9d48
diff --git a/xos-services/onos-service/templates/_tosca.tpl b/xos-services/onos-service/templates/_tosca.tpl
index b611e43..743c62f 100644
--- a/xos-services/onos-service/templates/_tosca.tpl
+++ b/xos-services/onos-service/templates/_tosca.tpl
@@ -284,7 +284,7 @@
           {
             "AAA" : {
               "radiusConnectionType" : "socket",
-              "radiusHost" : "freeradius",
+              "radiusHost" : "freeradius.voltha.svc.cluster.local",
               "radiusServerPort" : "1812",
               "radiusSecret" : "SECRET"
             }