[CH32] serial data sources have been sorted out #418

Job	Run time
build (esp8266:esp8266:nodemcuv2)	2m 39s
build (esp32:esp32:esp32:PartitionScheme=min_spiffs)	4m 47s
build (esp32:esp32:esp32s2)	6m 4s
build (esp32:esp32:esp32s3)	10m 6s
build (esp32:esp32:esp32c3)	6m 8s
build (esp32:esp32:esp32c6)	8m 52s
build (esp32:esp32:esp32h2)	4m 15s
build (STM32:stm32:Nucleo_64)	2m 36s
build (STMicroelectronics:stm32:GenF1)	2m 55s
build (STMicroelectronics:stm32:GenWL)	2m 52s
build (raspberry)	54s
build (energia:cc13xx:LAUNCHXL_CC1310)	3m 24s
build (CubeCell:CubeCell:CubeCell-GPS)	3m 9s
build (CubeCell:CubeCell:CubeCell-Board-PRO)	3m 10s
build (adafruit:nrf52:pca10056)	4m 19s
build (arduino:mbed_edge:edge_control)	3m 38s
build (arduino:samd:mzero_bl)	3m 10s
build (arduino:avr:mega)	33s
build (arduino:renesas_uno:minima)	3m 15s
build (arduino:renesas_uno:unor4wifi)	3m 31s
build (rp2040:rp2040:generic)	4m 38s
build (rp2040:rp2040:rpipicow)	6m 29s
build (rp2040:rp2040:rpipico2)	4m 33s
build (arduino:mbed_rp2040:pico)	3m 37s
build (SiliconLabs:silabs:nano_matter:protocol_stack=ble_arduino)	1m 13s
build (WCH:ch32v:CH32V30x_EVT)	2m 7s
	1h 42m 54s

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