Add readme

Readme.md

@@ -17,20 +17,20 @@ ld           Makefile和编译脚本目录
    
 + ## **编译方法**
     1. #### 从仓库获取最新代码   
-    ``` bash 
+    ```  
     git clone https://git.komect.net:SDX/vBRAS.git 
     ```
 	或
-    ``` bash 
+    ```  
     git pull
     ``` 
     2.  #### 安装必要软件(UBuntu)
-	   ```  bash
-	    sudo ./fsl-qoriq-glibc-x86_64-fsl-toolchain-aarch64-toolchain-2.4.1.sh
-	    sudo apt-get -y install git u-boot-tools device-tree-compiler autoconf curl flex 
-	    sudo apt-get -y install automake dh-autoreconf libssl-dev openssl libpcap-dev bc
-	    sudo apt-get -y install python-pip qemu-utils libncurses5-dev python-crypto bison
-	    ```
+		```  bash
+		sudo ./fsl-qoriq-glibc-x86_64-fsl-toolchain-aarch64-toolchain-2.4.1.sh
+		sudo apt-get -y install git u-boot-tools device-tree-compiler autoconf curl flex 
+		sudo apt-get -y install automake dh-autoreconf libssl-dev openssl libpcap-dev bc
+		sudo apt-get -y install python-pip qemu-utils libncurses5-dev python-crypto bison
+		```
     3.  #### 安装 linux 内核源代码
 	    ``` bash 
 	    sudo mkdir -p /opt/fsl-kernel /opt/fsl-kernel/arm64 /opt/fsl-kernel/x86