mdio_bus: fix devm_mdiobus_alloc_size export

commit 6d48f44 "mdio_bus: implement devm_mdiobus_alloc/devm_mdiobus_free"
introduced a new function devm_mdiobus_alloc_size() but added an export
for a different function devm_mdiobus_alloc(), which was obviously
a simple mistake that leads to  build error whenever this function is
used from a loadable module:

ERROR: "devm_mdiobus_alloc_size" [drivers/net/ethernet/ti/davinci_mdio.ko] undefined!

Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Grygorii Strashko <[email protected]>
Cc: Florian Fainelli <[email protected]>
Cc: Sergei Shtylyov <[email protected]>
Cc: Lad, Prabhakar <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: [email protected]
Acked-by: Lad, Prabhakar <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: arndb

drivers/net/phy/mdio_bus.c

@@ -117,7 +117,7 @@ struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv)
 
 	return bus;
 }
-EXPORT_SYMBOL_GPL(devm_mdiobus_alloc);
+EXPORT_SYMBOL_GPL(devm_mdiobus_alloc_size);
 
 /**
  * devm_mdiobus_free - Resource-managed mdiobus_free()