ONOS-743 - Use REST API Codecs to generate JSON for CLI commands

Change-Id: I25e0840d1af03341c638f837498c95275e6cf31b
diff --git a/cli/src/main/java/org/onosproject/cli/net/DevicePortsListCommand.java b/cli/src/main/java/org/onosproject/cli/net/DevicePortsListCommand.java
index 3e2510c..494273c 100644
--- a/cli/src/main/java/org/onosproject/cli/net/DevicePortsListCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/DevicePortsListCommand.java
@@ -116,7 +116,7 @@
                                   .set("annotations", annotations(mapper, port.annotations())));
             }
         }
-        result.set("device", json(service, mapper, device));
+        result.set("device", jsonForEntity(device, Device.class));
         result.set("ports", ports);
         return result;
     }