Make the Atmel wireless driver use SET_NETDEV_DEV to get the correct
entries in sysfs.  Seems like somebody meant to do this but it got lost.
atmel_cs.c was previously fixed to pass in the correct struct device *
via handle_to_dev() but the driver never actually used it.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>