CONFIG_ARCH_UNIPHIER is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64
Socionext UniPhier SoC Family
configname: CONFIG_ARCH_UNIPHIER
Linux Kernel Configuration
└─>Platform selection
└─>Socionext UniPhier SoC Family
In linux kernel since version 3.10 (release Date: 2013-06-30)
This enables support for Socionext UniPhier SoC family.