Texas Instruments TWL family (twl4030) analog signal conversion monitor module

Required properties:
- compatible : must be "ti,twl4030-madc"
- interrupts : interrupt number

Example:
twl: twl@48 {
	reg = <0x48>;
	interrupts = <7>; /* SYS_NIRQ cascaded to intc */
	interrupt-parent = <&intc>;

	twl_madc: madc {
		compatible = "ti,twl4030-madc";
		interrupts = <1>;
	};
};
