[libc-commits] [libc] Rename `libc/hdrgen/yaml/` to `libc/hdrgen/spec/` (PR #120931)

[Vinay Deshmukh via libc-commits]

vinay-deshmukh wrote:

@jhuber can you take a look at this again please? Thanks

https://github.com/llvm/llvm-project/pull/120931