CUDA: fix MMQ nwarps for AMD with warp_size==32#15014

IMbackK merged 1 commit intoggml-org:masterggml-org/llama.cpp:masterfrom

JohannesGaessler:cuda-mmq-fix-nwarpsJohannesGaessler/llama.cpp:cuda-mmq-fix-nwarpsCopy head branch name to clipboard