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