RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ copilot/clean-up-finsh-function-code

peilaus alkaen https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

xieyangrun 189c999f8e add atmel SAM D21 bsp support		8 vuotta sitten
..
sam	189c999f8e add atmel SAM D21 bsp support	8 vuotta sitten
common_nvm.h	189c999f8e add atmel SAM D21 bsp support	8 vuotta sitten