AP_Scripting: Add filesystem crc32 binding #28202

Job	Run time
build (chibios, Durandal)	18m 0s
build (chibios, MatekF405)	14m 59s
build (chibios, KakuteF7)	13m 41s
build (chibios, MatekH743-bdshot)	16m 26s
build (chibios, Pixhawk1-1M)	15m 52s
build (chibios, MatekF405-CAN)	1m 43s
build (chibios, DrotekP3Pro)	2m 31s
build (chibios, Hitec-Airspeed)	3m 23s
build (chibios, f103-GPS)	3m 38s
build (disco, armhf)	13m 57s
	1h 44m 10s

Provide feedback