Route Type Addition REST API

Change-Id: If521a97f68a12ef54feda656c499335fc58f3b98
diff --git a/apps/route-service/api/src/main/java/org/onosproject/routeservice/Route.java b/apps/route-service/api/src/main/java/org/onosproject/routeservice/Route.java
index 19407de..5bd0b94 100644
--- a/apps/route-service/api/src/main/java/org/onosproject/routeservice/Route.java
+++ b/apps/route-service/api/src/main/java/org/onosproject/routeservice/Route.java
@@ -68,7 +68,12 @@
         /**
          * Route source was not defined.
          */
-        UNDEFINED
+        UNDEFINED,
+
+        /**
+         * Route can from the DHCP-LQ route source.
+         */
+        DHCPLQ
     }
 
     private final Source source;