changes to oltuplink for dhcp tests

Change-Id: I6a0f1cee47600e33188f54aec4483870c5c2b5bd
diff --git a/tosca-configs/voltha/flex-ocp-cord-onos-netcfg-switch.json b/tosca-configs/voltha/flex-ocp-cord-onos-netcfg-switch.json
index 41baae0..42a4c20 100644
--- a/tosca-configs/voltha/flex-ocp-cord-onos-netcfg-switch.json
+++ b/tosca-configs/voltha/flex-ocp-cord-onos-netcfg-switch.json
@@ -17,8 +17,7 @@
   "apps": {
     "org.opencord.dhcpl2relay" : {
       "dhcpl2relay" : {
-        "dhcpServerConnectPoints" : [ "of:0000000000000001/3" ],
-        "useOltUplinkForServerPktInOut" : false
+        "useOltUplinkForServerPktInOut" : true
       }
     }
   }