CONFIG_DEBUG_REALVIEW_STD_PORT is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
RealView Default UART
configname: CONFIG_DEBUG_REALVIEW_STD_PORT
Kernel low-level debugging port
└─>RealView Default UART
In linux kernel since version 3.1 (release Date: 2011-10-24)
Say Y here if you want the debug print routines to direct
their output to the serial port on RealView EB, PB11MP, PBA8
and PBX platforms.
their output to the serial port on RealView EB, PB11MP, PBA8
and PBX platforms.