[llvm] [SYCL][LLVM] Adding property set I/O library for SYCL (PR #110771)

[Chris B via llvm-commits]

llvm-beanz wrote:

Is there any documentation about how this is used in the SYCL toolchain? It's a bit odd (although not unprecedented) to put toolchain or target specific things into LLVMSupport as opposed to the BinaryFormat or MC libraries.

https://github.com/llvm/llvm-project/pull/110771