mod_devicetable.h: correct kerneldoc typo, "PHYSID2" -> "MII_PHYSID2"

Signed-off-by: NRobert P. J. Day <rpjday@crashcourse.ca>
Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/linux/mod_devicetable.h

@@ -565,7 +565,7 @@ struct platform_device_id {
 /**
  * struct mdio_device_id - identifies PHY devices on an MDIO/MII bus
  * @phy_id: The result of
- *     (mdio_read(&MII_PHYSID1) << 16 | mdio_read(&PHYSID2)) & @phy_id_mask
+ *     (mdio_read(&MII_PHYSID1) << 16 | mdio_read(&MII_PHYSID2)) & @phy_id_mask
  *     for this PHY type
  * @phy_id_mask: Defines the significant bits of @phy_id.  A value of 0
  *     is used to terminate an array of struct mdio_device_id.