scsi: qla2xxx: Fix inconsistent format argument type in qla_os.c

Fix the following warnings:

[drivers/scsi/qla2xxx/qla_os.c:4882]: (warning) %ld in format string (no. 2)
	requires 'long' but the argument type is 'unsigned long'.
[drivers/scsi/qla2xxx/qla_os.c:5011]: (warning) %ld in format string (no. 1)
	requires 'long' but the argument type is 'unsigned long'.

Link: https://lore.kernel.org/r/20200930022515.2862532-3-yebin10@huawei.com
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_os.c

@@ -4880,7 +4880,7 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
 	}
 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
 
-	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
+	sprintf(vha->host_str, "%s_%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
 	ql_dbg(ql_dbg_init, vha, 0x0041,
 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
 	    vha->host, vha->hw, vha,
@@ -5009,7 +5009,7 @@ qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
 
 	switch (code) {
 	case QLA_UEVENT_CODE_FW_DUMP:
-		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
+		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
 		    vha->host_no);
 		break;
 	default: