TECS: Fix airspeed control during takeoff #31924

Job	Run time
build (chibios, Durandal)	9m 19s
build (chibios, MatekF405)	18m 8s
build (chibios, KakuteF7)	14m 32s
build (chibios, MatekH743-bdshot)	17m 54s
build (chibios, Pixhawk1-1M)	17m 53s
build (chibios, MatekF405-CAN)	4m 35s
build (chibios, DrotekP3Pro)	4m 17s
build (chibios, Hitec-Airspeed)	5m 20s
build (chibios, f103-GPS)	5m 50s
build (disco, armhf)	8m 21s
	1h 46m 9s

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