[Refactor] remove mqbench dependency for docker

Author: fanyunqian

docker/Dockerfile

@@ -1,15 +1,15 @@
 FROM xilinx/vitis-ai:1.4.1.978
 
 RUN cd /home \
-    && git clone https://github.com/ModelTC/MQBench.git \
-    && cd MQBench \
-    && sed '1,2d' requirements.txt > requirements.txt 
+    && git clone https://github.com/ModelTC/MQBench.git
 
 RUN source /opt/vitis_ai/conda/etc/profile.d/conda.sh \
     && source /home/vitis-ai-user/.bashrc \
     && conda activate vitis-ai-pytorch \
     && cd /home/MQBench \
-    && pip install onnx -i https://pypi.tuna.tsinghua.edu.cn/simple \
-    && pip install . 
+    && pip install onnx==1.8.0 \
+    && cp mqbench/deploy/convert_xir.py /home/
 
-RUN echo "conda activate vitis-ai-pytorch" >> /home/vitis-ai-user/.bashrc
+RUN echo "conda activate vitis-ai-pytorch" >> /home/vitis-ai-user/.bashrc
+
+RUN echo "echo usage: python /home/convert_xir.py [-h] -Q QMODEL -C CMODEL -N NAME" >> /home/vitis-ai-user/.bashrc