Implement PowerConfig for Oplink Devices

Change-Id: I939126580f8d3cdcdbcd9a46f6ee5cacbd25051d
diff --git a/drivers/optical/src/main/resources/optical-drivers.xml b/drivers/optical/src/main/resources/optical-drivers.xml
index c87a8cd..505db69 100644
--- a/drivers/optical/src/main/resources/optical-drivers.xml
+++ b/drivers/optical/src/main/resources/optical-drivers.xml
@@ -56,6 +56,8 @@
                    impl="org.onosproject.driver.optical.query.OplinkRoadmLambdaQuery"/>
         <behaviour api="org.onosproject.net.optical.OpticalDevice"
                    impl="org.onosproject.net.optical.DefaultOpticalDevice"/>
+        <behaviour api="org.onosproject.net.behaviour.PowerConfig"
+                   impl="org.onosproject.driver.optical.power.OplinkRoadmPowerConfig"/>
     </driver>
 
 </drivers>