Support GENEVE tunnel type in OVSDB southbound

Change-Id: I9b93c14d93645ac40525c23bff368e0f81a8189d
diff --git a/protocols/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbInterface.java b/protocols/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbInterface.java
index be8afe4..b194695 100644
--- a/protocols/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbInterface.java
+++ b/protocols/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbInterface.java
@@ -52,6 +52,10 @@
          */
         GRE,
         /**
+         * An Ethernet over draft-ietf-nvo3-geneve-08 Generic Network Virtualization Encapsulation tunnel.
+         */
+        GENEVE,
+        /**
          * An Ethernet tunnel over the experimental, UDP-based VXLAN protocol.
          */
         VXLAN,