add abiilty to optionally push a SADIS configuration
diff --git a/onos-files/onos-dhcpl2relay.json b/onos-files/onos-dhcpl2relay.json
new file mode 100644
index 0000000..a9162dc
--- /dev/null
+++ b/onos-files/onos-dhcpl2relay.json
@@ -0,0 +1,5 @@
+{
+  "dhcpl2relay" : {
+    "useOltUplinkForServerPktInOut": true
+  }
+}