scsi: ufs: core: Reuse device management locking code

Group those 3 calls that repeat for every device management command into
lock and unlock handlers.

Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20240309081104.5006-2-avri.altman@wdc.com


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>