scsi: target: core: Abort all preempted regs if requested

According to SPC the preempted commands shall be always aborted.

SPC-4: 5.12.11.2.6 Preempting and aborting

  c) all commands from the I_T nexus(es) associated with the persistent
  reservations or registrations being preempted (i.e., preempted commands)
  except the PERSISTENT RESERVE OUT command itself shall be aborted as
  defined in SAM-5;

Link: https://lore.kernel.org/r/20220909090425.14479-4-d.bogdanov@yadro.com


Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>