net: hns: change port-id property to reg property in dsaf port node

Indexes should generally be avoided. So we use reg rather than port-id to
index ports.
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c

@@ -834,15 +834,15 @@ int hns_mac_init(struct dsaf_device *dsaf_dev)
 	struct fwnode_handle *child;
 
 	device_for_each_child_node(dsaf_dev->dev, child) {
-		ret = fwnode_property_read_u32(child, "port-id", &port_id);
+		ret = fwnode_property_read_u32(child, "reg", &port_id);
 		if (ret) {
 			dev_err(dsaf_dev->dev,
-				"get port-id fail, ret=%d!\n", ret);
+				"get reg fail, ret=%d!\n", ret);
 			return ret;
 		}
 		if (port_id >= max_port_num) {
 			dev_err(dsaf_dev->dev,
-				"port-id(%u) out of range!\n", port_id);
+				"reg(%u) out of range!\n", port_id);
 			return -EINVAL;
 		}
 		mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),