Device tree bindings for Domintech DMARD05, DMARD06, DMARD07 accelerometers

Required properties:
 - compatible		: Should be "domintech,dmard05"
				 or "domintech,dmard06"
				 or "domintech,dmard07"
 - reg			: I2C address of the chip. Should be 0x1c

Example:
	&i2c1 {
		/* ... */

		accelerometer@1c {
			compatible = "domintech,dmard06";
			reg = <0x1c>;
		};

		/* ... */
	};