AP_HAL_ChibiOS/hwdef: add LED_SAFETY for JFB100 board definition #251

Job	Run time
build (stm32f7, chibios, 10)	3m 44s
build (stm32h7, chibios, 10)	3m 17s
build (fmuv2-plane, chibios, 10)	1m 57s
build (periph-build, chibios, 10)	3m 54s
build (iofirmware, chibios, 10)	1m 21s
build (CubeOrange-bootloader, chibios, 10)	54s
build (fmuv3-bootloader, chibios, 10)	1m 6s
build (revo-bootloader, chibios, 10)	47s
build (stm32h7-debug, chibios, 10)	2m 13s
build (fmuv3, chibios, 10)	4m 57s
build (revo-mini, chibios, 10)	3m 57s
build (MatekF405-Wing, chibios, 10)	3m 58s
build (CubeOrange-ODID, chibios, 10)	2m 49s
build (CubeRedPrimary-bootloader, chibios, 10)	51s
build (configure-all, chibios, 10)	9m 43s
build (build-options-defaults-test, chibios, 10)	6m 26s
build (signing, chibios, 10)	2m 34s
build (CubeOrange-PPP, chibios, 10)	2m 16s
build (CubeOrange-SOHW, chibios, 10)	2m 5s
build (Pixhawk6X-PPPGW, chibios, 10)	1m 12s
	1h 0m 1s

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