Set correct bit for packed description.

Introduced in e42780b6
    bnx2x: Utilize FW 7.10.51
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NDmitry Kravkov <Dmitry.Kravkov@qlogic.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>