[llvm] [SYCL] Add property set types and JSON representation (PR #147321)

[Arvind Sudarsanam via llvm-commits]

asudarsa wrote:

Failure due to 'undefined reference' is fixed here: https://github.com/llvm/llvm-project/pull/151796

Thanks

https://github.com/llvm/llvm-project/pull/147321