Add REITO support in vivado-risc-v
Use tio to connect to the board via USB serial, it supports control characters and colors.
Mirror apt
deb [arch=riscv64] http://mirror.sjtu.edu.cn/debian-ports unstable main
deb [arch=riscv64] http://mirror.sjtu.edu.cn/debian-ports unreleased main
sudo apt -y --allow-unauthenticated --allow-insecure-repositories -o "Acquire::https::Verify-Peer=false" update
sudo apt -y --allow-unauthenticated -o "Acquire::https::Verify-Peer=false" install ca-certificates gnupg
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8D69674688B6CB36
sudo apt-key export 8D69674688B6CB36 | sudo gpg --dearmour -o /etc/apt/trusted.gpg.d/apt.gpg
sudo apt update
sudo gpg --keyserver keyserver.ubuntu.com --recv-keys 8D69674688B6CB36
sudo gpg -a --export 8D69674688B6CB36 | sudo apt-key add -