Revert "sycl:remove redundant memcopy in function ggml_backend_sycl_buffer_set_tensor" (#12812)
* Revert "sycl: remove redundant memcopy in function ggml_backend_sycl_buffer_s…"
This reverts commit 518a01480eb3a7c80a4951b430db9dee55428310.
* Update ggml/src/ggml-sycl/ggml-sycl.cpp
* Update ggml/src/ggml-sycl/ggml-sycl.cpp
* rm tail space