scsi: qla2xxx: Fix TMF and Multi-Queue config

For target mode, task management command is queued to specific cpu base
on where the SCSI command is residing.  This prevent race condition of
task management command getting ahead of regular scsi command.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>