update README

Author: debugly

README.md

@@ -4,7 +4,7 @@
 
 MRFFToolChain products was built for ijkplayer : [https://github.com/debugly/ijkplayer](https://github.com/debugly/ijkplayer).
 
-At present MRFFToolChain contained `ass、bluray、dav1d、dvdread、ffmpeg、freetype、fribidi、harfbuzz、openssl、opus、unibreak、uavs3d、smb2`.
+At present MRFFToolChain contained `ass、bluray、dav1d、dvdread、ffmpeg、freetype、fribidi、harfbuzz、openssl、opus、unibreak、uavs3d、smb2、yuv`.
 
 ## Supported Plat
 
@@ -163,8 +163,9 @@ Tips:
 | openssl     | https://github.com/openssl/openssl.git               | 1.1.1w | export GIT_OPENSSL_UPSTREAM = git@xx:yy/openssl.git      |
 | opus        | https://gitlab.xiph.org/xiph/opus.git                | 1.5.2    | export GIT_OPUS_UPSTREAM = git@xx:yy/opus.git            |
 | libunibreak | https://github.com/adah1972/libunibreak.git          | 6.1    | export GIT_UNIBREAK_UPSTREAM = git@xx:yy/libunibreak.git |
-| libuavs3d | https://github.com/uavs3/uavs3d.git | 1.2.1 |export GIT_UAVS3D_UPSTREAM=git@xx:yy/UAVS3D.git|
-| libsmb2   | https://github.com/sahlberg/libsmb2.git | 6.2 | export GIT_SMB2_UPSTREAM=git@xx:yy/libsmb2.git
+| libuavs3d | https://github.com/uavs3/uavs3d.git | 1.2.1 |export GIT_UAVS3D_UPSTREAM=git@xx:yy/UAVS3D.git  |
+| libsmb2   | https://github.com/sahlberg/libsmb2.git | 6.2 | export GIT_SMB2_UPSTREAM=git@xx:yy/libsmb2.git    |
+| libyuv   | https://github.com/debugly/libyuv.git | stable-eb6e7bb | export GIT_YUV_UPSTREAM=git@xx:yy/yuv.git |
 
 ## Tips