Fix build for issues #I3U3P1 install python2.7 and python-minimal.

Change-Id: I34d9cb8505cd051ed4789f48283e243bf4ef2c59
Signed-off-by: N贺小帅 <heshuai1992@gmail.com>

en/device-dev/quick-start/ubuntu-build-environment-10.md

@@ -48,7 +48,7 @@ For details, see  [Source Code Acquisition](../get-code/source-code-acquisition.
 The installation command is as follows:
 
 ```
-sudo apt-get install binutils git-core git-lfs gnupg flex bison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache libgl1-mesa-dev libxml2-utils xsltproc unzip m4
+sudo apt-get install binutils git-core git-lfs gnupg flex bison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache libgl1-mesa-dev libxml2-utils xsltproc unzip m4 python2.7 python-minimal
 ```
 
 ### Obtaining prebuilts<a name="section16453104219209"></a>

zh-cn/device-dev/quick-start/Ubuntu编译环境准备-9.md

@@ -48,7 +48,7 @@ OpenHarmony标准系统为开发者提供的Docker环境已经将对应的编译
 安装命令：
 
 ```
-sudo apt-get install binutils git-core git-lfs gnupg flex bison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache libgl1-mesa-dev libxml2-utils xsltproc unzip m4
+sudo apt-get install binutils git-core git-lfs gnupg flex bison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache libgl1-mesa-dev libxml2-utils xsltproc unzip m4 python2.7 python-minimal
 ```
 
 ### 获取prebuilts<a name="section16453104219209"></a>