am 853340a6: am 245c4282: am f3ec7a02: Merge change If72f81fb into eclair

Merge commit '853340a697d6fbdb1dc06ea8ad8073f228c0aa1b'

* commit '853340a697d6fbdb1dc06ea8ad8073f228c0aa1b':
  Add a script to download and package the toolchain sources.