scsi: qla2xxx: Use endian macros to assign static fields in fwdump header

This takes care of big endian architectures.

Link: https://lore.kernel.org/r/20200212214436.25532-17-hmadhani@marvell.com


Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>