net: rswitch: Do not register disabled ports as ethernet devices

In case an rswitch port is described as disabled in DT, do not
register it as ethernet device in U-Boot. This way, such ports
cannot be accessed from U-Boot command line.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/drivers/net/rswitch.c b/drivers/net/rswitch.c
index 97b5d1b..57eff74 100644
--- a/drivers/net/rswitch.c
+++ b/drivers/net/rswitch.c
@@ -1113,6 +1113,9 @@
 		return -ENOENT;
 
 	ofnode_for_each_subnode(node, ports_np) {
+		if (!ofnode_is_enabled(node))
+			continue;
+
 		ret = device_bind_with_driver_data(parent, drv,
 						   ofnode_get_name(node),
 						   (ulong)priv, node, &dev);