[clang] [Clang][SYCL] Introduce clang-sycl-linker to link SYCL offloading device code (Part 1 of many) (PR #112245)

[Kirill Stoimenov via cfe-commits]

kstoimenov wrote:

@asudarsa looks like this is causing memory leaks in Sanitizer bots:
https://lab.llvm.org/buildbot/#/builders/169/builds/4835/steps/13/logs/stdio

https://github.com/llvm/llvm-project/pull/112245