Merge pull request #1983 from cuicheng01/update_PPLCNet_docs

update PPLCNet docs

deploy/configs/inference_cls.yaml

 Global:
-  infer_imgs: "./images/ILSVRC2012_val_00000010.jpeg"
+  infer_imgs: "./images/ImageNet/ILSVRC2012_val_00000010.jpeg"
   inference_model_dir: "./models"
   batch_size: 1
   use_gpu: True
@@ -32,4 +32,4 @@ PostProcess:
     topk: 5
     class_id_map_file: "../ppcls/utils/imagenet1k_label_list.txt"
   SavePreLabel:
-    save_dir: ./pre_label/
\ No newline at end of file
+    save_dir: ./pre_label/

deploy/configs/inference_cls_ch4.yaml

 Global:
-  infer_imgs: "./images/ILSVRC2012_val_00000010.jpeg"
+  infer_imgs: "./images/ImageNet/ILSVRC2012_val_00000010.jpeg"
   inference_model_dir: "./models"
   batch_size: 1
   use_gpu: True
@@ -32,4 +32,4 @@ PostProcess:
     topk: 5
     class_id_map_file: "../ppcls/utils/imagenet1k_label_list.txt"
   SavePreLabel:
-    save_dir: ./pre_label/
\ No newline at end of file
+    save_dir: ./pre_label/