AP_ICEngine: stop engine in E-Stop #40883

Job	Run time
build (stm32f7, chibios, 10)	6m 7s
build (stm32h7, chibios, 10)	5m 31s
build (fmuv2-plane, chibios, 10)	7m 52s
build (periph-build, chibios, 10)	5m 36s
build (iofirmware, chibios, 10)	3m 52s
build (CubeOrange-bootloader, chibios, 10)	3m 23s
build (fmuv3-bootloader, chibios, 10)	2m 58s
build (revo-bootloader, chibios, 10)	3m 18s
build (stm32h7-debug, chibios, 10)	4m 35s
build (fmuv3, chibios, 10)	7m 44s
build (revo-mini, chibios, 10)	6m 36s
build (MatekF405-Wing, chibios, 10)	6m 57s
build (CubeOrange-ODID, chibios, 10)	10m 19s
build (CubeRedPrimary-bootloader, chibios, 10)	3m 16s
build (configure-all, chibios, 10)	12m 30s
build (build-options-defaults-test, chibios, 10)	28m 19s
build (signing, chibios, 10)	4m 50s
build (CubeOrange-PPP, chibios, 10)	8m 48s
build (SOHW, chibios, 10)	5m 40s
build (Pixhawk6X-PPPGW, chibios, 10)	3m 36s
build (new-check, chibios, 10)	6m 25s
	2h 28m 12s

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