[clang] [SYCL] Basic code generation for SYCL kernel caller offload entry point functions. (PR #133030)

[Tom Honermann via cfe-commits]

https://github.com/tahonermann commented:

Thank you for the review @erichkeane! I believe I have addressed or responded to each of your comments.

https://github.com/llvm/llvm-project/pull/133030