源码： mtd-utils 2.1.1
源码目录：third_party/mtd-utils
patch目录：third_party/mtd-utils/patches/win-x86
编译方法：安装windows编译patch(patch -p1 < xxx.patch) 
        执行 ./configure --without-ubifs --without-xattr --without-lzo --without-zstd --disable-tests --host=x86_64-cygwin --build=x86_64-cygwin
依赖：运行时依赖cygz.dll