[llvm] [offload] Add properties parameter to olLaunchKernel (PR #184343)

[Joseph Huber via llvm-commits]

jhuber6 wrote:

We'll need AMDGPU support eventually, but calculating occupancy is non-trivial. We'd need to copy what the HIP runtime does. But this is definitely a valuable feature to have.

https://github.com/llvm/llvm-project/pull/184343