feat[bsp][xuantie]: c/r serial cpus support SMP; #9174

Job	Run time
🔍 Summary of Git Diff Changes	41s
at32_hc32_ht32	47s
Infineon_TI_microchip	3m 36s
nxp_renesas	1m 36s
RT-Thread Online Packages (STM32F407 RT-Spark)	1s
riscv-none	2m 42s
stm32f0_f1	2m 46s
arm-none-bsp-smart	2m 19s
others_ft32_mm32_acm32	1m 56s
K230	2m 11s
xuantie	1m 9s
stm32_f2_f4	2m 41s
stm32_f7_g0_h7_mp15_u5_h5_wb5	1m 57s
riscv64-unknown	1m 37s
ESP32C3	2m 40s
hpmicro	21s
i386-unknown	2m 46s
gd32_n32_apm32	1m 28s
llvm-arm	3m 17s
stm32l4	1s
mips	1m 25s
xuantie-smart	1m 28s
simulator	1m 0s
RTduino_Arduino Libraries (Raspberry Pico)	27s
allwinner-smart	1m 17s
aarch64	1s
nuvoton	28s
nordic(yml)	1s
collect-artifacts	1s
	42m 40s

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