RT-Thread/rt-thread: KM https://github.com/RT-Thread/rt-thread.git @ v5.2.0-beta

kopia lustrzana https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

kurisaw c5f279c82c log: automatic update and deployment before version release		1 rok temu
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arm	c5f279c82c log: automatic update and deployment before version release	1 rok temu
risc-v	05175bf73e [bsp][wch] update v208 readme (#10045)	1 rok temu