OMAP Counter-32K bindings

Required properties:
- compatible:	Must be "ti,omap-counter32k" for OMAP controllers
- reg:		Contains timer register address range (base address and length)
- ti,hwmods:	Name of the hwmod associated to the counter, which is typically
		"counter_32k"

Example:

counter32k: counter@4a304000 {
	compatible = "ti,omap-counter32k";
	reg = <0x4a304000 0x20>;
	ti,hwmods = "counter_32k";
};
