[ONOS-6640] Remove controllers api in ControllerConfig

Change-Id: Ibd2a3d6dab36cc01345dbd26e7c9e385b6deb68e
diff --git a/drivers/arista/src/main/resources/arista-drivers.xml b/drivers/arista/src/main/resources/arista-drivers.xml
index 4298d9a..cae2995 100644
--- a/drivers/arista/src/main/resources/arista-drivers.xml
+++ b/drivers/arista/src/main/resources/arista-drivers.xml
@@ -18,6 +18,8 @@
     <driver name="restArista" manufacturer="Arista Networks" hwVersion="1.0.0" swVersion="1.0.0">
         <behaviour api="org.onosproject.net.device.DeviceDescriptionDiscovery"
                    impl="org.onosproject.drivers.arista.DeviceDescriptionDiscoveryAristaImpl"/>
+        <behaviour api="org.onosproject.net.behaviour.ControllerConfig"
+                   impl="org.onosproject.drivers.arista.ControllerConfigAristaImpl"/>
     </driver>
 </drivers>