[libc-commits] [libc] [libc] init uefi os target (PR #120687)

[Joseph Huber via libc-commits]

https://github.com/jhuber6 commented:

This is a beast of a patch, would probably be easier if we just enabled the minimal set of entrypoints necessary to run tests and then added everything else.

https://github.com/llvm/llvm-project/pull/120687