dt-bindings: power: supply: Add max14656_charger_detector

Maxim MAX14656 / AL32 USB Charger Detector

Required properties :

- compatible : "maxim,max14656";

- reg: i2c slave address

- interrupt-parent: the phandle for the interrupt controller

- interrupts: interrupt line

Example:

&i2c2 {

	clock-frequency = <50000>;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_i2c2>;

	status = "okay";

	max14656@35 {

		compatible = "maxim,max14656";

		reg = <0x35>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_charger_detect>;

		interrupt-parent = <&gpio6>;

		interrupts = <26 IRQ_TYPE_LEVEL_HIGH>;

	};

};