llama: improve TENSOR_READ_LAZY handling (#27837)

* force lazy tensor on cpu if lazy is on

* llama: improve TENSOR_READ_LAZY handling

src/llama.cpp

@@ -318,7 +318,7 @@ static std::pair<int, llama_model *> llama_model_load(struct gguf_context * meta
         llama_model_loader ml(metadata, set_tensor_data, set_tensor_data_ud, fname, splits, file, params.load_mode,
             params.check_tensors, params.no_alloc, params.load_mtp, params.kv_overrides, params.tensor_buft_overrides);
 
-        ml.lazy_mode = params.lazy_mode;
+        ml.lazy.mode = params.lazy_mode;
 
         ml.print_info();
         std::unique_ptr<llama_model> model_ptr(llama_model_create(ml, params));