default or selected kernelversion does not have config value CONFIG_DONGLE_OLD.
Result is shown for kernelversion 5.4.123

Old Serial dongle support

configname: CONFIG_DONGLE_OLD

Linux Kernel Configuration
└─>Networking support
└─>IrDA (infrared) subsystem support
└─>Infrared-port device drivers
└─>Old Serial dongle support
In linux kernel since version 2.6.12  
Say Y here if you have an infrared device that connects to your
computer's serial port. These devices are called dongles. Then say Y
or M to the driver for your particular dongle below.

Note that the answer to this question won't directly affect the
kernel: saying N will just cause the configurator to skip all
the questions about serial dongles.

depends
CONFIG_BROKEN_ON_SMP
CONFIG_IRDA
CONFIG_IRPORT_SIR or CONFIG_IRTTY_OLD or CONFIG_NET