ibm_emac: fix link speed detection change

Fix link speed detection change.
Thanks to Stefan Roese <sr@denx.de> for finding this bug.

CC: Stefan Roese <sr@denx.de>
Signed-off-by: Eugene Surovegin <ebs@ebshome.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
1 file changed