[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>
