default or selected kernelversion does not have config value CONFIG_WIRELESS_OLD_REGULATORY.
Result is shown for kernelversion 5.4.194

Old wireless static regulatory definitions

configname: CONFIG_WIRELESS_OLD_REGULATORY

Linux Kernel Configuration
└─>Networking support
└─>Wireless
└─>Old wireless static regulatory definitions
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
This option enables the old static regulatory information
and uses it within the new framework. This option is available
for historical reasons and it is advised to leave it off.

For details see:

http://wireless.kernel.org/en/developers/Regulatory

Say N and if you say Y, please tell us why. The default is N.