Console on Lantiq UART

configname: CONFIG_SERIAL_LANTIQ_CONSOLE

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Console on Lantiq UART
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Select this option if you would like to use a Lantiq UART as the
system console.