scsi: ufs: Declare the quirks array const

Declare the quirks array and also its 'model' member const to make it
explicit that these are not modified.

Link: https://lore.kernel.org/r/20220419225811.4127248-11-bvanassche@acm.org


Tested-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>