CONFIG_ARCH_REALTEK is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64
Realtek Platforms
configname: CONFIG_ARCH_REALTEK
Linux Kernel Configuration
└─>Platform selection
└─>Realtek Platforms
In linux kernel since version 3.10 (release Date: 2013-06-30)
This enables support for the ARMv8 based Realtek chipsets,
like the RTD1295.
like the RTD1295.