imx6 关闭调试串口

需要关闭imx6调试串口，用作普通的串口使用。

参考链接

http://blog.csdn.net/neiloid/article/details/7585876

http://www.cnblogs.com/helloworldtoyou/p/5437867.html

更改kernel中配置， make menuconfig

Symbol: SERIAL_IMX_CONSOLE [=y]
Type  : boolean
Prompt: Console on IMX serial port
    Defined at drivers/tty/serial/Kconfig:826
    Depends on: HAS_IOMEM [=y] && SERIAL_IMX [=y]
    Location:
      -> Device Drivers
        -> Character devices
          -> Serial drivers
            -> IMX serial port support (SERIAL_IMX [=y])

Tony Liu

2016-12-23, Shenzhen