scsi: dmx3191d: Declare SCSI host template const

Make it explicit that the SCSI host template is not modified.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230322195515.1267197-32-bvanassche@acm.orgSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/dmx3191d.c

@@ -39,7 +39,7 @@
 #define DMX3191D_REGION_LEN	8
 
 
-static struct scsi_host_template dmx3191d_driver_template = {
+static const struct scsi_host_template dmx3191d_driver_template = {
 	.module			= THIS_MODULE,
 	.proc_name		= DMX3191D_DRIVER_NAME,
 	.name			= "Domex DMX3191D",