The tag is present in Lintian version 2.104.232. That is the most recent version we know about.
This package ships a PKCS#11 module configuration file under
/usr/share/p11-kit/modules, but its naming doesn't conform
p11-kit expects. Files in that directory should
respect the following convention, case insensitive:
p11-kit currently warns on every file that does not follow the convention and may ignore them in the future.