Move RC protocol used for Aero from Linux HAL to AP_RCProtocol #46971

Job	Run time
build (fmuv3, chibios, 10)	5m 43s
build (fmuv2-plane, chibios, 10)	2m 9s
build (stm32h7, chibios, 10)	3m 20s
build (fmuv3-bootloader, chibios, 10)	49s
build (periph-build, chibios, 10)	3m 49s
build (stm32h7-debug, chibios, 10)	2m 25s
build (stm32f7, chibios, 10)	4m 22s
build (iofirmware, chibios, 10)	1m 54s
build (CubeOrange-bootloader, chibios, 10)	55s
build (revo-bootloader, chibios, 10)	50s
build (revo-mini, chibios, 10)	4m 36s
build (CubeOrange-ODID, chibios, 10)	2m 43s
build (CubeRed-EKF2, chibios, 10)	2m 13s
build (build-options-defaults-test, chibios, 10)	7m 18s
build (new-check, chibios, 10)	4m 55s
build (SOHW, chibios, 10)	4m 3s
build (CubeRedPrimary-bootloader, chibios, 10)	1m 13s
build (CubeOrange-PPP, chibios, 10)	2m 9s
build (signing, chibios, 10)	2m 51s
build (configure-all, chibios, 10)	11m 18s
build (Pixhawk6X-PPPGW, chibios, 10)	1m 15s
build (MatekF405-Wing, chibios, 10)	5m 18s
	1h 16m 8s

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