* Atmel Watchdog Timers

** at91sam9-wdt

Required properties:
- compatible: must be "atmel,at91sam9260-wdt".
- reg: physical base address of the controller and length of memory mapped
  region.

Optional properties:
- timeout-sec: contains the watchdog timeout in seconds.

Example:

        watchdog@fffffd40 {
                compatible = "atmel,at91sam9260-wdt";
                reg = <0xfffffd40 0x10>;
                timeout-sec = <10>;
        };