When checking the autoneg advertisements, the driver failed to include
the master and master enable bits for the bcm5701.  This patch fixes the
problem.
Signed-off-by: NMatt Carlson <mcarlson@broadcom.com>
Reviewed-by: NMichael Chan <mchan@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>