[Model] Update PPDetection RKNPU2 (#1323)

* 更新docs

* 修正docs错误

* 更新docs

* 更新python example脚本和ppyoloe转换脚本

tools/rknpu2/config/picodet_s_416_coco_lcnet_unquantized.yaml

@@ -10,7 +10,7 @@ std:
     - 57.375
 model_path: ./picodet_s_416_coco_lcnet/picodet_s_416_coco_lcnet.onnx
 outputs_nodes:
-  - 'p2o.Div.79'
+  - 'p2o.Mul.179'
   - 'p2o.Concat.9'
 do_quantization: False
 dataset:

tools/rknpu2/config/ppyoloe_plus_crn_s_80e_coco_quantized.yaml

@@ -0,0 +1,17 @@
+mean:
+  -
+    - 0
+    - 0
+    - 0
+std:
+  -
+    - 255
+    - 255
+    - 255
+model_path: ./ppyoloe_plus_crn_s_80e_coco/ppyoloe_plus_crn_s_80e_coco.onnx
+outputs_nodes:
+  - 'p2o.Mul.224'
+  - 'p2o.Concat.29'
+do_quantization: True
+dataset: "./ppyoloe_plus_crn_s_80e_coco/dataset.txt"
+output_folder: "./ppyoloe_plus_crn_s_80e_coco"