scsi: sgiwd93: 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/20230322195515.1267197-70-bvanassche@acm.orgSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/sgiwd93.c

@@ -204,7 +204,7 @@ static inline void init_hpc_chain(struct ip22_hostdata *hdata)
  * arguments not with pointers.  So this is going to blow up beautyfully
  * on 64-bit systems with memory outside the compat address spaces.
  */
-static struct scsi_host_template sgiwd93_template = {
+static const struct scsi_host_template sgiwd93_template = {
 	.module			= THIS_MODULE,
 	.proc_name		= "SGIWD93",
 	.name			= "SGI WD93",