update llama model

Signed-off-by: yuwenzho <yuwen.zhou@intel.com>

Author: yuwenzho

examples/.config/model_params_onnxrt.json

@@ -752,7 +752,7 @@
     "llama-7b": {
       "model_src_dir": "nlp/huggingface_model/text_generation/llama/quantization/ptq_static",
       "dataset_location": "",
-      "input_model": "/tf_dataset2/models/onnx/llama-7b",
+      "input_model": "/tf_dataset2/models/onnx/llama-2-7b",
       "main_script": "main.py",
       "batch_size": 1
     },