MAG3110 library with calibrate operation included

Dependents:   FRDM-KL46-Template AxedaGo-Freescal_FRDM-KL46Z revert AxedaGo-Freescal_FRDM-KL46Z HC-05_S2B_HelloWorld_WIZwiki-W7500_sensores

Fork of MAG3110 by Andrew Lindsay

Changes