* Melexis MLX90640 FIR Sensor

Melexis MLX90640 FIR sensor support which allows recording of thermal data
with 32x24 resolution excluding 2 lines of coefficient data that is used by
userspace to render processed frames.

Required Properties:
 - compatible : Must be "melexis,mlx90640"
 - reg : i2c address of the device

Example:

	i2c0@1c22000 {
		...
		mlx90640@33 {
			compatible = "melexis,mlx90640";
			reg = <0x33>;
		};
		...
	};
