docs: Fix the wrong compilation process
issue
@@ -96,9 +96,7 @@ add_appimg(${target} ${flash_ldscript} ${target_file_path}/${target_file}.c ${ta
Open a Linux shell and build the demo:
```
cd <YanFei Root>
- cd out
- rm -r appimage_debug
- cd ..
+ rm -r out
. tools/core_launch.sh
cout
cmake ../.. -G Ninja
