scsi: mpt3sas: 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/20230322195515.1267197-55-bvanassche@acm.orgSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/mpt3sas/mpt3sas_scsih.c

@@ -11926,7 +11926,7 @@ static void scsih_map_queues(struct Scsi_Host *shost)
 }
 
 /* shost template for SAS 2.0 HBA devices */
-static struct scsi_host_template mpt2sas_driver_template = {
+static const struct scsi_host_template mpt2sas_driver_template = {
 	.module				= THIS_MODULE,
 	.name				= "Fusion MPT SAS Host",
 	.proc_name			= MPT2SAS_DRIVER_NAME,
@@ -11964,7 +11964,7 @@ static struct raid_function_template mpt2sas_raid_functions = {
 };
 
 /* shost template for SAS 3.0 HBA devices */
-static struct scsi_host_template mpt3sas_driver_template = {
+static const struct scsi_host_template mpt3sas_driver_template = {
 	.module				= THIS_MODULE,
 	.name				= "Fusion MPT SAS Host",
 	.proc_name			= MPT3SAS_DRIVER_NAME,