default or selected kernelversion does not have config value CONFIG_TOSHIBA_FIR.
Result is shown for kernelversion 6.7-rc3

Toshiba Type-O IR Port

modulename: donauboe.ko


Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>IrDA (infrared) subsystem support
└─>Infrared-port device drivers
└─>Toshiba Type-O IR Port
In linux kernel since version 2.6.12  
Say Y here if you want to build support for the Toshiba Type-O IR
and Donau oboe chipsets. These chipsets are used by the Toshiba
Libretto 100/110CT, Tecra 8100, Portege 7020 and many more laptops.
To compile it as a module, choose M here: the module will be called

source code: