Do not make minimum airspeed assumptions, as we can trust our digital sensor a bit. A blocked pitot also most likely will result in more than just 6.5 m/s airspeed and so the check is based on a bunch of weak assumptions
fw_att_controller: Forcing actuator scaling to at least minimum speed
Merge pull request #807 from PX4/trust_airspeed

Do not make minimum airspeed assumptions, as we can trust our digital se...