AP_Scripting: minor spelling fixes #32843

Job	Run time
build (chibios, Durandal)	19m 43s
build (chibios, MatekF405)	16m 59s
build (chibios, KakuteF7)	16m 9s
build (chibios, MatekH743-bdshot)	18m 52s
build (chibios, Pixhawk1-1M)	17m 7s
build (chibios, MatekF405-CAN)	3m 47s
build (chibios, DrotekP3Pro)	3m 56s
build (chibios, Hitec-Airspeed)	5m 15s
build (chibios, f103-GPS)	5m 24s
build (disco, armhf)	15m 49s
	2h 3m 1s

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