sensor: add driver for HMC5883L magnetometer

Add driver for the I2C-based Honeywell HMC5883L magnetometer.

Datasheet:
	https://cdn-shop.adafruit.com/datasheets/HMC5883L_3-Axis_Digital_Compass_IC.pdf



Change-Id: I9ad56a7533d8d67402aa2ae2862ba339b04d3525
Origin: Original
Signed-off-by: Bogdan Davidoaia <bogdan.m.davidoaia@intel.com>