Add RKYOLOv5 RKYOLOX RKYOLOV7 (#709)

* 更正代码格式

* 更正代码格式

* 修复语法错误

* fix rk error

* update

* update

* update

* update

* update

* update

* update

Co-authored-by: Jason <jiangjiajun@baidu.com>

fastdeploy/vision/detection/contrib/rknpu2/utils.h

@@ -0,0 +1,26 @@
+// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.  //NOLINT
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#pragma once
+#include <cmath>
+#include <vector>
+typedef enum { RKYOLOX = 0, RKYOLOV5, RKYOLOV7, UNKNOWN } ModelType;
+float clamp(float val, int min, int max);
+float Sigmoid(float x);
+float UnSigmoid(float y);
+inline static int32_t __clip(float val, float min, float max);
+int8_t QntF32ToAffine(float f32, int32_t zp, float scale);
+float DeqntAffineToF32(int8_t qnt, int32_t zp, float scale);
+int NMS(int validCount, std::vector<float>& outputLocations,
+        std::vector<int>& class_id, std::vector<int>& order, float threshold,
+        bool class_agnostic);