b11676: [SYCL] Enable ssl in build script and CI (#30456)

enable OPENSSL=ON as default in build script, update it in CI and dockerfile change to LLAMA_BUILD_BORINGSSL on windows refactor rm Download UI build Apply suggestion from @CISC Co-authored-by: Sigbjørn Skjæret sigbjorn.skjaeret@huggingface.co Apply suggestion from @CISC Co-authored-by: Sigbjørn Skjæret sigbjorn.skjaeret@huggingface.co Apply suggestion from @CISC Co-authored-by: Sigbjørn Skjæret sigbjorn.skjaeret@huggingface.co Co-authored-by: Sigbjørn Skjæret sigbjorn.skjaeret@huggingface.co

Related

• [[b9554-sycl-update-compute-runtime-version-to-26x-in-docker-2|b9554: [SYCL] Update compute runtime version to 26.x in docker (#24070)]]

Source: llama.cpp Releases | 2026-10-16