[SYCL] fallback mmvq (#9088)
* fallback mmvq to mul_mat
* mmvq in cuda path
* Update ggml/src/ggml-sycl.cpp
Co-authored-by: Alberto Cabrera Pérez <alberto.cabrera@codeplay.com>
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Co-authored-by: Alberto Cabrera Pérez <alberto.cabrera@codeplay.com>
