This adds support for probing the COH 901 327 watchdog from
the device tree and also adds associated bindings.
Acked-by: NWim Van Sebroeck <wim@iguana.be>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>