scsi: aic79xx: Restore modes when exiting ahd_linux_queue_abort_cmd()

ahd_linux_queue_abort_cmd() calls ahd_save_modes() without calling
ahd_restore_modes() before exiting.

Link: https://lore.kernel.org/r/20200714160301.4482-1-hare@suse.de


Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>