Add automatic driver resolution for voltha devices
Add automatic driver resolution for voltha devices

Change-Id: Iebc244d3ac09d40c1f6d8314921b9a56e69888dc

kuujo/onos,kuujo/onos,opennetworkinglab/onos,osinstom/onos,gkatsikas/onos,kuujo/onos,opennetworkinglab/onos,opennetworkinglab/onos,oplinkoms/onos,opennetworkinglab/onos,oplinkoms/onos,oplinkoms/onos,kuujo/onos,gkatsikas/onos,opennetworkinglab/onos,osinstom/onos,kuujo/onos,kuujo/onos,gkatsikas/onos,osinstom/onos,kuujo/onos,gkatsikas/onos,oplinkoms/onos,oplinkoms/onos,gkatsikas/onos,oplinkoms/onos,oplinkoms/onos,osinstom/onos,osinstom/onos,opennetworkinglab/onos,gkatsikas/onos