default or selected kernelversion does not have config value CONFIG_KEYBOARD_CORGI.
Result is shown for kernelversion 5.4.194

Corgi keyboard

modulename: corgikbd.ko


Linux Kernel Configuration
└─>Device Drivers
└─>Input device support
└─>Corgi keyboard
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here to enable the keyboard on the Sharp Zaurus SL-C7xx
series of PDAs.

To compile this driver as a module, choose M here: the
module will be called corgikbd.

source code: