spec: add DSpark speculative decoding by wjinxu · Pull Request #25173 · ggml-org/llama.cpp

It's time to experiment using DSpark! Please share your stats(pp/tg improvements). DSpark related stuff to check: DeepSpec - a deepseek-ai Collection DeepSeek-V4 with DSpark - DeepSeek-V4-Pro-DSpark & DeepSeek-V4-Pro-DSpark Bonsai AntiDoom with DSpark - https://huggingface.co/Danny-Dasilva/Bonsai-27