mlx4_en: fix WOL handlers were always looking at port2 capability bit

mlx4_en: fix WOL handlers were always looking at port2 capability bit

commit 559a9f1d354b577af28f84181751820ff7d29feb
Author: Oren Duer <oren@mellanox.co.il>
Date:   Sat Nov 26 19:55:15 2011 +0000

    net/mlx4_en: fix WOL handlers were always looking at port2 capability bit

    There are 2 capability bits for WOL, one for each port.
    WOL handlers were looking only on the second bit, regardless of the port.

    Signed-off-by: Oren Duer <oren@mellanox.co.il>
    Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Joe Jin <joe.jin@oracle.com>