[bsp][wch] move ch32v307 sdk to package #5238

Job	Run time
RT-Thread Online Packages (STM32F407 RT-Spark)	5m 27s
RTduino/Arduino Libraries (STM32F412 Nucleo)	9m 50s
RTduino/Arduino Libraries (Raspberry Pico)	12m 3s
others_at32_hc32_ht32	6m 20s
stm32l4_f0_f1	15m 34s
stm32_f2_f4	7m 10s
stm32_f7_g0_h7_mp15_u5_h5_wb5	4m 2s
nxp_renesas	4m 13s
nuvoton	3m 39s
gd32_n32_apm32	3m 34s
Infineon_TI_microchip	5m 43s
mips	1m 11s
aarch64	2m 19s
riscv-none	1m 34s
riscv64-unknown	1m 49s
hpmicro	1m 6s
llvm-arm	4m 32s
simulator	57s
ESP32C3	24m 3s
i386-unknown	49s
nordic(yml)	10m 4s
	2h 5m 59s

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