new host machine bitbake dependencies coming - lz4c, pzstd, and zstd

[Andrew Geissler]

Our latest rebase with upstream hit this new requirement:
  https://www.mail-archive.com/openembedded-core@lists.openembedded.org/msg150870.html

The solution is to install these on your system:
  sudo apt install liblz4-tool zstd

OpenBMC commit which will require this:
  https://gerrit.openbmc-project.xyz/c/openbmc/openbmc/+/46537

Docker script update to pull in for CI:
  https://gerrit.openbmc-project.xyz/c/openbmc/openbmc-build-scripts/+/46558


Andrew