scsi: fcoe: 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/20230322195515.1267197-36-bvanassche@acm.orgSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/fcoe/fcoe.c

@@ -260,7 +260,7 @@ static struct fc_function_template fcoe_vport_fc_functions = {
 	.bsg_request = fc_lport_bsg_request,
 };
 
-static struct scsi_host_template fcoe_shost_template = {
+static const struct scsi_host_template fcoe_shost_template = {
 	.module = THIS_MODULE,
 	.name = "FCoE Driver",
 	.proc_name = FCOE_NAME,