opencl: tune the quant paths for Intel Xe-LP GPUs to improve its TG and PP performance (#26438)
* opencl: Q4_K/Q5_K mul_mv N_DST 4->8 on Intel for 2x activation reuse
* opencl: Q4_K mul_mm 8x8 tile fot Intel
* opencl: Q5_K mul_mm 8x8 tile for Intel
* opencl: Q4_K mul_mv N_DST 8->16 for Intel