* Honeywell HMC5843 magnetometer sensor

Required properties:

  - compatible : should be "honeywell,hmc5843"
  - reg : the I2C address of the magnetometer - typically 0x1e

Optional properties:

  - gpios : should be device tree identifier of the magnetometer DRDY pin

Example:

hmc5843@1e {
        compatible = "honeywell,hmc5843"
        reg = <0x1e>;
};