Merge branch 'ACPI-support-for-xgmac_mdio-drivers'

Merge branch 'ACPI-support-for-xgmac_mdio-drivers'

Calvin Johnson says:

====================
ACPI support for xgmac_mdio drivers.

This patch series provides ACPI support for xgmac_mdio driver.

Changes in v3:
- handle case MDIOBUS_NO_CAP

Changes in v2:
- Reserve "0" to mean that no mdiobus capabilities have been declared.
- bus->id: change to appropriate printk format specifier
- clean up xgmac_acpi_match
- clariy platform_get_resource() usage with comments
====================

Signed-off-by: David S. Miller <davem@davemloft.net>