net: phy: Correct function name mdiobus_register_board_info() in comment

Fix the following make W=1 kernel build warning:

 drivers/net/phy/mdio-boardinfo.c:63: warning: expecting prototype for mdio_register_board_info(). Prototype was for mdiobus_register_board_info() instead
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/mdio-boardinfo.c

@@ -50,7 +50,7 @@ void mdiobus_setup_mdiodev_from_board_info(struct mii_bus *bus,
 EXPORT_SYMBOL(mdiobus_setup_mdiodev_from_board_info);
 
 /**
- * mdio_register_board_info - register MDIO devices for a given board
+ * mdiobus_register_board_info - register MDIO devices for a given board
  * @info: array of devices descriptors
  * @n: number of descriptors provided
  * Context: can sleep