scsi: scsi_error: Add comments to scsi_check_sense()

Add a comment block describing the COMPLETED case with ASC/ASCQ 0x55/0xA
to mention that it relates to command duration limits very special
policy 0xD command completion.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20250228031751.12083-1-dlemoal@kernel.org


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