SYCL SET operator optimized for F32 tensors (#16350)
* SYCL/SET: implement operator + wire-up; docs/ops updates; element_wise & ggml-sycl changes
* sycl(SET): re-apply post-rebase; revert manual docs/ops.md; style cleanups
* move SET op to standalone file, GPU-only implementation
* Update SYCL SET operator for F32
* ci: fix editorconfig issues (LF endings, trailing spaces, final newline)
* fixed ggml-sycl.cpp
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Co-authored-by: Gitty Burstein <gitty@example.com>
