Add OTN device and ports

Change-Id: I18f3376d1466077e95d7324a27a660302f0123b3
diff --git a/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
index 53809d1..a10b79d 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
@@ -48,6 +48,7 @@
 import org.onosproject.net.OchPort;
 import org.onosproject.net.OduCltPort;
 import org.onosproject.net.OmsPort;
+import org.onosproject.net.OtuPort;
 import org.onosproject.net.Port;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.device.DefaultPortStatistics;
@@ -59,6 +60,7 @@
 import org.onosproject.net.device.OchPortDescription;
 import org.onosproject.net.device.OduCltPortDescription;
 import org.onosproject.net.device.OmsPortDescription;
+import org.onosproject.net.device.OtuPortDescription;
 import org.onosproject.net.device.PortDescription;
 import org.onosproject.net.device.PortStatistics;
 import org.onosproject.net.provider.ProviderId;
@@ -1095,6 +1097,9 @@
             case ODUCLT:
                 OduCltPortDescription oduDesc = (OduCltPortDescription) description;
                 return new OduCltPort(device, number, isEnabled, oduDesc.signalType(), annotations);
+            case OTU:
+                OtuPortDescription otuDesc = (OtuPortDescription) description;
+                return new OtuPort(device, number, isEnabled, otuDesc.signalType(), annotations);
             default:
                 return new DefaultPort(device, number, isEnabled, description.type(),
                         description.portSpeed(), annotations);