use max work group size for device to replace the magic number#14732

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

NeoZhangJianyu:fix_invalid_work_group_sizeNeoZhangJianyu/llama.cpp:fix_invalid_work_group_sizeCopy head branch name to clipboard