Tips are in the Readme.md file of this repo:
git clone -b pyro https://github.com/emutex/meta-up-board
Command to setup docker for yocto build
docker run --rm -it -v /home/francois/develop/boulot/up2/yocto:/workdir crops/poky --workdir=/workdir
Command to get in the bitbake environment
TEMPLATECONF=meta-up-board/conf source oe-init-build-env
bitbake -c menuconfig virtual/kernel