[llvm] [offload] Add olLaunchKernelWithPtrArgs with an argument pointer array (PR #194333)

[Kevin Sala Penades via llvm-commits]

kevinsala wrote:

Yes, I agree. It's worth adding the number of arguments as a parameter now to be more portable across potential future backends, as well as for validation purposes.

https://github.com/llvm/llvm-project/pull/194333