Update logic for disabling the PCI module.
Summary:
FreeBSD on ThunderX2 does support PCI, and apparently the KCM
even works. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234256
Reviewers: davidedmundson
Reviewed By: davidedmundson
Subscribers: plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D17785