CONFIG_DEBUG_HI3620_UART is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Hisilicon HI3620 Debug UART
configname: CONFIG_DEBUG_HI3620_UART
Kernel low-level debugging port
└─>Hisilicon HI3620 Debug UART
In linux kernel since version 3.12 (release Date: 2013-11-03)
Say Y here if you want kernel low-level debugging support
on HI3620 UART.
on HI3620 UART.