Add automatic driver resolution for voltha devices

Change-Id: Iebc244d3ac09d40c1f6d8314921b9a56e69888dc
diff --git a/drivers/default/src/main/resources/onos-drivers.xml b/drivers/default/src/main/resources/onos-drivers.xml
index efeda35..a6b9356 100644
--- a/drivers/default/src/main/resources/onos-drivers.xml
+++ b/drivers/default/src/main/resources/onos-drivers.xml
@@ -156,6 +156,11 @@
         <behaviour api="org.onosproject.net.behaviour.Pipeliner"
                    impl="org.onosproject.driver.pipeline.OltPipeline"/>
     </driver>
+    <driver name="voltha" extends="default"
+            manufacturer="cord project" hwVersion=".*" swVersion="logical device for .*">
+        <behaviour api="org.onosproject.net.behaviour.Pipeliner"
+                   impl="org.onosproject.driver.pipeline.OltPipeline"/>
+    </driver>
     <driver name="fj-olt" extends="default"
             manufacturer="Fujitsu" hwVersion="svkOLT" swVersion="v1.0">
         <behaviour api="org.onosproject.net.behaviour.Pipeliner"