CONFIG_DEBUG_BERLIN_UART is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Marvell Berlin SoC Debug UART
configname: CONFIG_DEBUG_BERLIN_UART
Kernel low-level debugging port
└─>Marvell Berlin SoC Debug UART
In linux kernel since version 3.14 (release Date: 2014-03-30)
Say Y here if you want kernel low-level debugging support
on Marvell Berlin SoC based platforms.
on Marvell Berlin SoC based platforms.