AP_Notify: tidy defaulting of DEFAULT_NTF_LED_TYPES #41208

Job	Run time
build (stm32f7, chibios, 10)	5m 55s
build (stm32h7, chibios, 10)	5m 25s
build (fmuv2-plane, chibios, 10)	3m 58s
build (periph-build, chibios, 10)	5m 49s
build (iofirmware, chibios, 10)	3m 49s
build (CubeOrange-bootloader, chibios, 10)	2m 59s
build (fmuv3-bootloader, chibios, 10)	2m 57s
build (revo-bootloader, chibios, 10)	3m 17s
build (stm32h7-debug, chibios, 10)	4m 38s
build (fmuv3, chibios, 10)	7m 33s
build (revo-mini, chibios, 10)	6m 17s
build (MatekF405-Wing, chibios, 10)	6m 49s
build (CubeOrange-ODID, chibios, 10)	4m 35s
build (CubeRedPrimary-bootloader, chibios, 10)	2m 59s
build (configure-all, chibios, 10)	12m 33s
build (build-options-defaults-test, chibios, 10)	9m 24s
build (signing, chibios, 10)	4m 51s
build (CubeOrange-PPP, chibios, 10)	4m 26s
build (SOHW, chibios, 10)	5m 33s
build (Pixhawk6X-PPPGW, chibios, 10)	3m 22s
build (new-check, chibios, 10)	6m 39s
	1h 53m 48s

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