add timvx x86 simulator to codecov and ci

initial to support TIM-VX NPU backend

2. retinaface support trt inference
Co-authored-by: NGuan Guojin <guojin.guan@grandhonor.net>

* comment the test imp

* test1

* test2

* test3

* test4

* try to fix the error of compiler

* reopen CI test

Signed-off-by: Ndaquexian <daquexian566@gmail.com>

Init nv

Update Loongson 3A4000 benchmark

* try to fix the infer_shape of reshape

* Update reshape.c

* fix the bugs of unsqueeze for Mr.Da

* try to add coverage

* try to fix workflow bug

* try to fix the bugs of CI on arm32/64

* try to fix the bugs of CI on arm32/64, 1

* fix the bugs of x86 int8, enable mulit-thread of it

* fix error of compile on arm int8

* update implement of x86 int8 convdw

* fix the bugs of x86 int8, enable mulit-thread of it

* fix error of compile on arm int8

* update CMakeLists to install tengine cpp api header

* update actions scripts
Co-authored-by: Ndongdong <ddzhao@openailab.com>

* fix the error of compile

* Update common.h

add back
Co-authored-by: Nkalcohol <314377460@qq.com>

* prepare to release v1.2

* Add, relu ref op with omp

* support compile with vs2019