Pass the correct module name and device interface so that
ethtool can display the proper values.

The firmware version will be fixed later on when the FW
can actually report a version. :)

Reported-by: Richard Farina <sidhayn@gmail.com>
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Tested-by: Richard Farina <sidhayn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>