default or selected kernelversion does not have config value CONFIG_LIRC_I2C.
Result is shown for kernelversion 5.4.69

I2C Based IR Receivers

modulename: lirc_i2c.ko

configname: CONFIG_LIRC_I2C

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Linux Infrared Remote Control IR receiver/transmitter drivers
└─>I2C support
└─>I2C Based IR Receivers
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
Driver for I2C-based IR receivers, such as those commonly
found onboard Hauppauge PVR-150/250/350 video capture cards

source code: