* Bosch BMG160 triaxial rotation sensor (gyroscope)

Required properties:

  - compatible : should be "bosch,bmg160", "bosch,bmi055_gyro" or "bosch,bmi088_gyro"
  - reg : the I2C address of the sensor (0x69)

Optional properties:

  - interrupts : interrupt mapping for GPIO IRQ, it should by configured with
		flags IRQ_TYPE_EDGE_RISING

Example:

bmg160@69 {
	compatible = "bosch,bmg160";
	reg = <0x69>;
	interrupt-parent = <&gpio6>;
	interrupts = <18 (IRQ_TYPE_EDGE_RISING)>;
};