default or selected kernelversion does not have config value CONFIG_DEV_APPLETALK.
Result is shown for kernelversion 6.9.9

Appletalk interfaces support

configname: CONFIG_DEV_APPLETALK

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Appletalk interfaces support
In linux kernel since version 2.6.12  
AppleTalk is the protocol that Apple computers can use to communicate
on a network. If your Linux box is connected to such a network, and wish
to do IP over it, or you have a LocalTalk card and wish to use it to
connect to the AppleTalk network, say Y.


is selected by
CONFIG_COPS