Error location module

Required properties:
- compatible: Must be "ti,am33xx-elm"
- reg: physical base address and size of the registers map.
- interrupts: Interrupt number for the elm.

Optional properties:
- ti,hwmods: Name of the hwmod associated to the elm

Example:
elm: elm@0 {
	compatible = "ti,am3352-elm";
	reg = <0x48080000 0x2000>;
	interrupts = <4>;
};