scsi: elx: efct: 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/20230322195515.1267197-33-bvanassche@acm.orgSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/elx/efct/efct_xport.c

@@ -10,7 +10,7 @@
 static struct dentry *efct_debugfs_root;
 static atomic_t efct_debugfs_count;
 
-static struct scsi_host_template efct_template = {
+static const struct scsi_host_template efct_template = {
 	.module			= THIS_MODULE,
 	.name			= EFCT_DRIVER_NAME,
 	.supported_mode		= MODE_TARGET,