CONFIG_DEBUG_HIX5HD2_UART is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Hisilicon Hix5hd2 Debug UART
configname: CONFIG_DEBUG_HIX5HD2_UART
Kernel low-level debugging port
└─>Hisilicon Hix5hd2 Debug UART
In linux kernel since version 3.17 (release Date: 2014-10-05)
Say Y here if you want kernel low-level debugging support
on Hix5hd2 UART.
on Hix5hd2 UART.