[libc-commits] [libc] [libc][stdlib] Bring all GPU's alloc/free entrypoints under the same conditional. (PR #96373)

[Joseph Huber via libc-commits]

https://github.com/jhuber6 approved this pull request.

We should probably do something similar here to what we do for all the `printf`'s in `stdio`, might make sense in the future.

https://github.com/llvm/llvm-project/pull/96373