common: document force-save values to PREFLIGHT_CALIBRATION (#2428)#492

peterbarker merged 1 commit intoArduPilot:masterArduPilot/mavlink:masterfrom

peterbarker:pr/PREFLIGHT_CALIBRATION_MAGNETOMETERpeterbarker/mavlink:pr/PREFLIGHT_CALIBRATION_MAGNETOMETERCopy head branch name to clipboard