Add support for the TI  DP83822 10/100Mbit ethernet phy.

The DP83822 provides flexibility to connect to a MAC through a
standard MII, RMII or RGMII interface.

In addition the DP83822 needs to be removed from the DP83848 driver
as the WoL support is added here for this device.

Datasheet:
http://www.ti.com/product/DP83822I/datasheetSigned-off-by: NDan Murphy <dmurphy@ti.com>
Acked-by: NAndrew F. Davis <afd@ti.com>
Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>