Add support for OF1.4 devices

- part of ONOS-6386

Change-Id: I2e03496ae6f2fdcda5800e2208533faf07790e3d
diff --git a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/FlowModBuilder.java b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/FlowModBuilder.java
index 02ebebe..6ed4cca 100644
--- a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/FlowModBuilder.java
+++ b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/FlowModBuilder.java
@@ -133,6 +133,7 @@
         case OF_10:
             return new FlowModBuilderVer10(flowRule, factory, xid, driverService);
         case OF_13:
+        case OF_14:
             return new FlowModBuilderVer13(flowRule, factory, xid, driverService);
         default:
             throw new UnsupportedOperationException(