default or selected kernelversion does not have config value CONFIG_ADB_MACIISI.
Result is shown for kernelversion 6.5.1

Include Mac IIsi ADB driver

modulename: via-maciisi.ko

configname: CONFIG_ADB_MACIISI

Linux Kernel Configuration
└─>Device Drivers
└─>Macintosh device drivers
└─>Include Mac IIsi ADB driver
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here if want your kernel to support Macintosh systems that use
the Mac IIsi style ADB. This includes the IIsi, IIvi, IIvx, Classic
II, LC, LC II, LC III, Performa 460, and the Performa 600.

source code: