Licensing of Zephyr Project components

The Zephyr kernel tree imports or reuses packages, scripts and other files that are not covered by the Apache 2.0 License. In some places there is no LICENSE file or way to put a LICENSE file there, so we describe the licensing in this document.

scripts/{checkpatch.pl,checkstack.pl,get_maintainers.pl,spelling.txt}

Origin: Linux Kernel