Add device tree support to the Orion watchdog timer, and enable its
use in the kirkwood devices using device tree.
Signed-off-by: NAndrew Lunn <andrew@lunn.ch>
Acked-by: NSebastian Hesselbarth <sebastian.hesselbarth@googlemail.com>
Tested-by: NSimon Baatz <gmbnomis@gmail.com>