[SYCL][Doc] Add `sycl_ext_oneapi_device_is_integrated` spec extension#20085

steffenlarsen merged 6 commits intointel:syclintel/llvm:syclfrom

dm-vodopyanov:gpu_is_integrsted_specdm-vodopyanov/llvm:gpu_is_integrsted_specCopy head branch name to clipboard