kernelconfig_penguin
CONFIG_DEBUG_REALVIEW_PB1176_PORT is not available for the default architecture x86.
Result is shown for architecture arm

RealView PB1176 UART

configname: CONFIG_DEBUG_REALVIEW_PB1176_PORT

Kernel low-level debugging port
└─> RealView PB1176 UART

Say Y here if you want the debug print routines to direct
their output to the standard serial port on the RealView
PB1176 platform.