AP_Camera: RunCam: get rpty channels directly using convenience functions #42240

Job	Run time
build (stm32f7, chibios, 10)	7m 39s
build (stm32h7, chibios, 10)	6m 58s
build (fmuv2-plane, chibios, 10)	4m 31s
build (periph-build, chibios, 10)	5m 37s
build (iofirmware, chibios, 10)	3m 52s
build (CubeOrange-bootloader, chibios, 10)	3m 2s
build (fmuv3-bootloader, chibios, 10)	2m 59s
build (revo-bootloader, chibios, 10)	2m 56s
build (stm32h7-debug, chibios, 10)	5m 12s
build (fmuv3, chibios, 10)	11m 3s
build (revo-mini, chibios, 10)	8m 43s
build (MatekF405-Wing, chibios, 10)	7m 7s
build (CubeOrange-ODID, chibios, 10)	6m 13s
build (CubeRedPrimary-bootloader, chibios, 10)	2m 57s
build (configure-all, chibios, 10)	13m 4s
build (build-options-defaults-test, chibios, 10)	12m 10s
build (signing, chibios, 10)	5m 29s
build (CubeOrange-PPP, chibios, 10)	5m 13s
build (CubeOrange-EKF2, chibios, 10)	5m 14s
build (SOHW, chibios, 10)	7m 2s
build (Pixhawk6X-PPPGW, chibios, 10)	3m 31s
build (new-check, chibios, 10)	9m 30s
	2h 20m 2s

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