Improve sb1250-mac driver to probe for PHYs at addresses other
than 1, such as the PHYs on BigSur.
Signed-Off-By: NAndy Isaacson <adi@broadcom.com>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>