[libc-commits] [libc] [libc] added rest of yaml files for new headergen (PR #96977)

[Michael Jones via libc-commits]

michaelrj-google wrote:

The contents of the files look good, but I'm not sure why some of the yaml files' names start with a standard and some don't. Also why are the yaml files in two different folders?

https://github.com/llvm/llvm-project/pull/96977