Add OpticalDevice behaviour (polatis)

Change-Id: Iba4ff144cd14094333c97c0d83e91d742488190a
diff --git a/drivers/polatis/netconf/src/main/resources/polatis-drivers.xml b/drivers/polatis/netconf/src/main/resources/polatis-drivers.xml
index 12bb4ca..cf87965 100644
--- a/drivers/polatis/netconf/src/main/resources/polatis-drivers.xml
+++ b/drivers/polatis/netconf/src/main/resources/polatis-drivers.xml
@@ -17,6 +17,8 @@
 <drivers>
     <driver name="polatis-netconf" extends="" manufacturer="Polatis"
             hwVersion="" swVersion="">
+        <behaviour api="org.onosproject.net.optical.OpticalDevice"
+                   impl="org.onosproject.net.optical.DefaultOpticalDevice"/>
         <behaviour api="org.onosproject.net.device.DeviceDescriptionDiscovery"
                    impl="org.onosproject.drivers.polatis.netconf.PolatisDeviceDescription"/>
         <behaviour api="org.onosproject.net.behaviour.PowerConfig"