* Rename EXT option to TELEMETRY * Change test accordingly * Rename FRSKY to TELEMETRY_FRSKY * Rename ARDUPILOT to TELEMETRY_ARDUPILOT * More renames (JETI, MAVLINK, NMEA) * Fixes to make commit-test happy * Further tests added to commit-test * Cleanup * Rename EXTSTD to TELEMETRY_NONE