Add Mistral Large 3 Eagle Support (#14466)

Co-authored-by: Linda-Stadter <57756729+Linda-Stadter@users.noreply.github.com>

python/sglang/srt/server_args.py

@@ -1722,9 +1722,13 @@ class ServerArgs:
                     self.speculative_draft_model_path = self.model_path
                     self.speculative_draft_model_revision = self.revision
                 else:
-                    logger.warning(
-                        "DeepSeek MTP does not require setting speculative_draft_model_path."
-                    )
+                    if model_arch not in [
+                        "MistralLarge3ForCausalLM",
+                        "PixtralForConditionalGeneration",
+                    ]:
+                        logger.warning(
+                            "DeepSeek MTP does not require setting speculative_draft_model_path."
+                        )
 
             if self.speculative_num_steps is None:
                 assert (