hwdef: CarbonixCommon: set GPS_AUTO_SWITCH to 4 #900

Job	Run time
build (stm32f7, chibios, 10)	8m 20s
build (stm32h7, chibios, 10)	7m 26s
build (fmuv2-plane, chibios, 10)	4m 56s
build (periph-build, chibios, 10)	9m 31s
build (iofirmware, chibios, 10)	3m 55s
build (CubeOrange-bootloader, chibios, 10)	3m 13s
build (fmuv3-bootloader, chibios, 10)	3m 23s
build (revo-bootloader, chibios, 10)	3m 4s
build (stm32h7-debug, chibios, 10)	5m 11s
build (fmuv3, chibios, 10)	10m 23s
build (revo-mini, chibios, 10)	8m 32s
build (MatekF405-Wing, chibios, 10)	8m 49s
build (CubeOrange-ODID, chibios, 10)	6m 17s
build (CubeRedPrimary-bootloader, chibios, 10)	3m 11s
build (configure-all, chibios, 10)	11m 55s
build (build-options-defaults-test, chibios, 10)	11m 11s
build (signing, chibios, 10)	6m 37s
build (CubeOrange-PPP, chibios, 10)	5m 14s
build (CubeOrange-SOHW, chibios, 10)	5m 14s
build (Pixhawk6X-PPPGW, chibios, 10)	3m 43s
	2h 10m 5s

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