3c589_cs,3c574_cs,serial_cs:

 (1)add cis(firmware) of 3Com lan&modem mulitifunction pcmcia card.
 (2)load correct configuration register for 3Com card
Signed-off-by: NKen Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>