kernelconfig_penguin
default or selected kernelversion does not have config value CONFIG_ARCH_R8A779A0.
Result is shown for kernelversion 5.10-rc5

ARM64 Platform support for R-Car V3U

configname: CONFIG_ARCH_R8A779A0

Linux Kernel Configuration
└─> Device Drivers
└─> SOC (System On Chip) specific Drivers
└─> Renesas SoC driver support
└─> ARM64 Platform support for R-Car V3U

This enables support for the Renesas R-Car V3U SoC.