default or selected kernelversion does not have config value CONFIG_DTB_GNUBEE1.
Result is shown for kernelversion 6.9.9

GnuBee1 2.5inch NAS

configname: CONFIG_DTB_GNUBEE1

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>GnuBee1 2.5inch NAS
In linux kernel since version 3.10 (release Date: 2013-06-30)