CONFIG_DEBUG_DIGICOLOR_UA0 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Kernel low-level debugging messages via Digicolor UA0
configname: CONFIG_DEBUG_DIGICOLOR_UA0
Kernel low-level debugging port
└─>Kernel low-level debugging messages via Digicolor UA0
In linux kernel since version 4 (release Date: 2015-04-12)
Say Y here if you want the debug print routines to direct
their output to the UA0 serial port in the CX92755.
their output to the UA0 serial port in the CX92755.