[libc-commits] [libc] [libc] Include extra baremetal headers and entrypoints (PR #135462)

[Petr Hosek via libc-commits]

petrhosek wrote:

> LGTM, I assume you've tested these configs?

I did using the Fuchsia Clang toolchain build.

https://github.com/llvm/llvm-project/pull/135462