CONFIG_H8300_KANEBEBE is not available for thedefaultarchitecture x86.
Result is shown for architecture h8300
default or selected kernelversion does not have config value CONFIG_H8300_KANEBEBE.
Result is shown for kernelversion 6.9.9

KaneBebe

configname: CONFIG_H8300_KANEBEBE

H8/300 platform
└─>KaneBebe
In linux kernel since version 4.1 (release Date: 2015-06-21)  
KaneBebe Evalition Board Support
More Information. (Japanese Only)
<http://www.nissin-tech.com/2009/10/uclinuxkane-bebe-h83069f.html>