Co-authored-by: Nxlchen <xlchen@openailab.com>

fix

* 添加int8convdw:3x3s1和3x3s2
Co-authored-by: Nshitouren1994 <shihebing@bigo.sg>

* pooling pack sse

* 添加int8全连接实现
Co-authored-by: Nshitouren1994 <shihebing@bigo.sg>

Co-authored-by: Nxlchen <xlchen@openailab.com>

* initial int8 perchannel forward mode

* Fix, deconv bias impl, when no bias tensor.

* add: build support for OpenHarmonyOS

- Tested with OHOS 3.0.0.80
- fixed missing OHOS ASM flags based on https://github.com/OAID/Tengine/issues/452
- fix cpu.c for OHOS
- generated libtengine-lite.so and executable example files

* add: write build steps for OHOS platform

* little bug
Co-authored-by: Nxlchen <xlchen@openailab.com>

Co-authored-by: Nqwang <qwang02@openailab.com>

Co-authored-by: NGuan Guojin <guojin.guan@grandhonor.net>

* fix deconv ref bias_tensor bug

* fix onnx slice op output dims issue.

* add tm_alphapose by OpenCV API
Co-authored-by: NGuan Guojin <guojin.guan@grandhonor.net>

* Fix, using opencv api for crnn demo

* Delete release.sh

* Update README.md

* Update README_EN.md

* polish readme

* add example/README.md's english version

* 增加了ocr exampleREADME.md

* 修正了README.md文档, 同时增加了example OCR README.md, 删除了多余的文件

* Update README.md

* modify src and test codes for yolov4

* fix the bug of openmp not be link

* optimize api code of examples

* fix initial var bug

* fix slice op bug

* add yolov4-tiny example codes

* add yolov4-tiny CMakeLists

* fix crnn usage tip

* fix examples/CMakeLists.txt error when opencv not found

* Fix, compile error when enable acl

* update example of acl

* update benchmark

* add a17 out neon

* Fix, bugs of ops

* update readme

* disable work mode 3 in conv arm imp

* add ACL support & demo

* annotation ACL dump_sub_graph

最新版本代码编译后，例程的可执行文件保存在./build/install/bin目录下

* remove debug codes(printf)

* fix initial var bug

* modify src and test codes for yolov4

* recover crop source code

* add yolov4 example code

* add mish ops and yolov4 example code

* modify example/CMakeList.txt and tm_yolov4.cpp

* delete yolov4 demo codes

* rm yolov4 cmakelist.txt

* Update mish.c

regiseter mish op with OP_MISH_NAME

* add sys_free to avoid memory leak

* rm test.jpg for yolov4

* fix coding problems

* add mish arm implement adn fix winograd conv bug

* add div_ps arm32 implement

* add autor description