ggml: aarch64: implement SVE kernels for q3_K_q8_K vector dot (#11917)
* Added SVE Implementation for Q3_K Kernel in ggml-cpu-quants.c file
* Improved Formating of code in ggml-cpu-quants.c file
* style : minor fixes
* style : less whitespaces
* style : ptr spaceing
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Co-authored-by: vithulep <p.m.vithule1517@gmail.com>
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>