TI Watchdog Timer (WDT) Controller for OMAP

Required properties:
compatible:
- "ti,omap3-wdt" for OMAP3
- "ti,omap4-wdt" for OMAP4
- ti,hwmods: Name of the hwmod associated to the WDT

Examples:

wdt2: wdt@4a314000 {
	compatible = "ti,omap4-wdt", "ti,omap3-wdt";
	ti,hwmods = "wd_timer2";
};