CONFIG_ARCH_VISCONTI is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64
Toshiba Visconti SoC Family
configname: CONFIG_ARCH_VISCONTI
Linux Kernel Configuration
└─>Platform selection
└─>Toshiba Visconti SoC Family
In linux kernel since version 5.1 (release Date: 2019-05-05)
This enables support for Toshiba Visconti SoCs Family.