[SYCL][RTC] Add minimum amount of post-link functionality to extract symbol table and properties#16109

sarnex merged 14 commits intointel:syclintel/llvm:syclfrom

jopperm:rtc-via-sycl-jit-post-linkjopperm/llvm:rtc-via-sycl-jit-post-linkCopy head branch name to clipboard