llama : add support for Deepseek-R1-Qwen distill model (#11310)

* llama : add support for Deepseek-R1-Qwen distill model

* coding style

src/llama-vocab.cpp

@@ -1523,7 +1523,8 @@ void llama_vocab::impl::load(llama_model_loader & ml, const LLM_KV & kv) {
                 pre_type = LLAMA_VOCAB_PRE_TYPE_COMMAND_R;
                 clean_spaces = false;
             } else if (
-                tokenizer_pre == "qwen2") {
+                    tokenizer_pre == "qwen2" ||
+                    tokenizer_pre == "deepseek-r1-qwen") {
                 pre_type = LLAMA_VOCAB_PRE_TYPE_QWEN2;
                 clean_spaces = false;
             } else if (