phy_device: fix parameter name in kernel-doc

Fix kernel-doc parameter name in phy_device.c.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/phy_device.c

@@ -244,7 +244,7 @@ EXPORT_SYMBOL(get_phy_device);
 
 /**
  * phy_device_register - Register the phy device on the MDIO bus
- * @phy_device: phy_device structure to be added to the MDIO bus
+ * @phydev: phy_device structure to be added to the MDIO bus
  */
 int phy_device_register(struct phy_device *phydev)
 {