default or selected kernelversion does not have config value CONFIG_ARCH_R8A77950.
Result is shown for kernelversion 6.9.9
ARM64 Platform support for R-Car H3 ES1.x
configname: CONFIG_ARCH_R8A77950
Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>Renesas SoC driver support
└─>ARM64 Platform support for R-Car H3 ES1.x
In linux kernel since version 5.1 (release Date: 2019-05-05)
This enables support for the Renesas R-Car H3 SoC (revision 1.x).