Navodila: https://doc.embedded-wizard.de/getting-started-stm32mp157c-dk2?v=9.20
Setup Dev Env: . /opt/st/stm32mp1/3.1-openstlinux-5.4-dunfell-mp1-20-11-12/environment-setup-cortexa7t2hf-neon-vfpv4-ostl-linux-gnueabi