CONFIG_ARCH_SD5203 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Hisilicon SD5203 family

configname: CONFIG_ARCH_SD5203

Linux Kernel Configuration
└─>Hisilicon platform type
└─>Hisilicon SD5203 family
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Support for Hisilicon SD5203 SoC family

show more...

show more...

is selected by
CONFIG_DEBUG_SD5203_UART
show more...