* NXP PNX watchdog timer

Required properties:
- compatible: must be "nxp,pnx4008-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@4003c000 {
		compatible = "nxp,pnx4008-wdt";
		reg = <0x4003C000 0x1000>;
		timeout-sec = <10>;
	};
