CONFIG_DEBUG_SD5203_UART is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Hisilicon SD5203 Debug UART
configname: CONFIG_DEBUG_SD5203_UART
Kernel low-level debugging port
└─>Hisilicon SD5203 Debug UART
In linux kernel since version 5.1 (release Date: 2019-05-05)
Say Y here if you want kernel low-level debugging support
on SD5203 UART.
on SD5203 UART.