opencl: add q4_K gemm and gemv kernels for Adreno (#20919)
* opencl: add q4_K gemm and gemv kernels for Adreno
* opencl: fix whitespace
* opencl: add workarounds for compiler bugs on older devices
* opencl: handle fp16 denorm on X Elite
* opencl: fix kernel build error
* opencl: fix whitespace
* opencl: make q4_K cvt kernels signature consistent
---------
Co-authored-by: Li He <lih@qti.qualcomm.com>
