[PATCH] b44: fix manual speed/duplex/autoneg settings

Fixes for speed/duplex/autoneg settings and driver settings info.
This is a redo of a previous patch thanks to feedback from Jeff Garzik.

Signed-off-by: Gary Zambrano <zambrano@broadcom.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>