net: sparx5/lan969x: populate netdev of_node

Populate of_node for the port netdevs, to make the individual ports
of_nodes available in sysfs.

Signed-off-by: Robert Marko <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/ethernet/microchip/sparx5/sparx5_main.c

···
 
 	spx5_port->phylink = phylink;
 
+	spx5_port->ndev->dev.of_node = spx5_port->of_node;
+
 	return 0;
 }