AX88796 network driver

Support for the Asix AX88796 network controller, an
NE2000 compatible 10/100 ethernet device with internal
PHY.

The driver supports PHY settings via either ioctl() or
the ethtool driver ops.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>