update prepare.sh for klquant_infer

tests/prepare.sh

 #!/bin/bash
 FILENAME=$1
 
-# MODE be one of ['lite_train_infer' 'whole_infer' 'whole_train_infer', 'infer', 'cpp_infer', 'serving_infer']
+# MODE be one of ['lite_train_infer' 'whole_infer' 'whole_train_infer',  'infer', 
+#                 'cpp_infer', 'serving_infer', 'klquant_infer']
+
 MODE=$2
 
 dataline=$(cat ${FILENAME})
@@ -98,6 +100,12 @@ elif [ ${MODE} = "infer" ];then
         wget -nc  -P ./inference https://paddleocr.bj.bcebos.com/dygraph_v2.0/ch/ch_ppocr_server_v2.0_rec_infer.tar
         cd ./inference && tar xf ${eval_model_name}.tar && tar xf rec_inference.tar && cd ../
     fi 
+elif [ ${MODE} = "klquant_infer" ];then
+    if [ ${model_name} = "ocr_det" ]; then
+        wget -nc  -P ./inference https://paddleocr.bj.bcebos.com/dygraph_v2.0/ch/ch_ppocr_mobile_v2.0_det_infer.tar
+        wget -nc -P ./inference https://paddleocr.bj.bcebos.com/dygraph_v2.0/test/ch_det_data_50.tar
+        cd ./inference && tar xf ch_ppocr_mobile_v2.0_det_infer.tar && tar xf ch_det_data_50.tar && cd ../
+    fi
 elif [ ${MODE} = "cpp_infer" ];then
     if [ ${model_name} = "ocr_det" ]; then
         wget -nc -P ./inference https://paddleocr.bj.bcebos.com/dygraph_v2.0/test/ch_det_data_50.tar