default or selected kernelversion does not have config value CONFIG_ARCH_R9A09G011.
Result is shown for kernelversion 6.9-rc5
ARM64 Platform support for RZ/V2M
configname: CONFIG_ARCH_R9A09G011
Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>Renesas SoC driver support
└─>ARM64 Platform support for RZ/V2M
In linux kernel since version 5.2 (release Date: 2019-07-07)
This enables support for the Renesas RZ/V2M SoC.