Kionix KXCJK-1013 Accelerometer device tree bindings

Required properties:

- compatible: Must be one of:
    "kionix,kxcjk1013"
    "kionix,kxcj91008"
    "kionix,kxtj21009"
    "kionix,kxtf9"
 - reg: i2c slave address

Example:

kxtf9@f {
	compatible = "kionix,kxtf9";
	reg = <0x0F>;
};