default or selected kernelversion does not have config value CONFIG_LIRC_SIR.
Result is shown for kernelversion 6.5.1
Built-in SIR IrDA port
modulename: lirc_sir.ko
configname: CONFIG_LIRC_SIR
Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Media staging drivers
└─>Linux Infrared Remote Control IR receiver/transmitter drivers
└─>Built-in SIR IrDA port
In linux kernel since version 2.6.36 (release Date: 2010-10-20)
Driver for the SIR IrDA port