DeepStream 7.1 + Fixes + New model output format

docs/YOLOv7.md

@@ -18,7 +18,7 @@
 git clone https://github.com/WongKinYiu/yolov7.git
 cd yolov7
 pip3 install -r requirements.txt
-pip3 install onnx onnxsim onnxruntime
+pip3 install onnx onnxslim onnxruntime
 ```
 
 **NOTE**: It is recommended to use Python virtualenv.
@@ -119,6 +119,7 @@ export CUDA_VER=XY.Z
 * x86 platform
 
   ```
+  DeepStream 7.1 = 12.6
   DeepStream 7.0 / 6.4 = 12.2
   DeepStream 6.3 = 12.1
   DeepStream 6.2 = 11.8
@@ -131,6 +132,7 @@ export CUDA_VER=XY.Z
 * Jetson platform
 
   ```
+  DeepStream 7.1 = 12.6
   DeepStream 7.0 / 6.4 = 12.2
   DeepStream 6.3 / 6.2 / 6.1.1 / 6.1 = 11.4
   DeepStream 6.0.1 / 6.0 / 5.1 = 10.2
@@ -151,7 +153,7 @@ Edit the `config_infer_primary_yoloV7.txt` file according to your model (example
 ```
 [property]
 ...
-onnx-file=yolov7.onnx
+onnx-file=yolov7.pt.onnx
 ...
 num-detected-classes=80
 ...