Support for console on Xilinx uartlite serial port

configname: CONFIG_SERIAL_UARTLITE_CONSOLE

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Support for console on Xilinx uartlite serial port
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here if you wish to use a Xilinx uartlite as the system
console (the system console is the device which receives all kernel
messages and warnings and which allows logins in single user mode).