RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ stable-v2.1.x

spogulis no https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

aozima 3563c195fb update stm32f2/f4: fixed PLL_M define.		11 gadi atpakaļ
..
CoreSupport	b4de7cce57 Re-normalizing the repo	13 gadi atpakaļ
DeviceSupport	3563c195fb update stm32f2/f4: fixed PLL_M define.	11 gadi atpakaļ