hmc5883: properly reset mag to normal state on calibration fail
hmc5883: properly reset mag to normal state on calibration fail

and add current output in "hmc5883 info"

jlecoeur/Firmware,dagar/Firmware,acfloria/Firmware,acfloria/Firmware,mje-nz/PX4-Firmware,acfloria/Firmware,Aerotenna/Firmware,dagar/Firmware,krbeverx/Firmware,mje-nz/PX4-Firmware,darknight-007/Firmware,PX4/Firmware,Aerotenna/Firmware,PX4/Firmware,mcgill-robotics/Firmware,Aerotenna/Firmware,krbeverx/Firmware,krbeverx/Firmware,PX4/Firmware,jlecoeur/Firmware,jlecoeur/Firmware,krbeverx/Firmware,PX4/Firmware,dagar/Firmware,mcgill-robotics/Firmware,darknight-007/Firmware,dagar/Firmware,jlecoeur/Firmware,mcgill-robotics/Firmware,mcgill-robotics/Firmware,mje-nz/PX4-Firmware,PX4/Firmware,acfloria/Firmware,dagar/Firmware,jlecoeur/Firmware,PX4/Firmware,darknight-007/Firmware,darknight-007/Firmware,mje-nz/PX4-Firmware,krbeverx/Firmware,mje-nz/PX4-Firmware,krbeverx/Firmware,Aerotenna/Firmware,jlecoeur/Firmware,dagar/Firmware,PX4/Firmware,mje-nz/PX4-Firmware,darknight-007/Firmware,mcgill-robotics/Firmware,jlecoeur/Firmware,mje-nz/PX4-Firmware,jlecoeur/Firmware,mcgill-robotics/Firmware,mcgill-robotics/Firmware,Aerotenna/Firmware,krbeverx/Firmware,Aerotenna/Firmware,dagar/Firmware,Aerotenna/Firmware,acfloria/Firmware,acfloria/Firmware,acfloria/Firmware