fix: make hwdata truly a runtime dependency
Summary: Followup to comments in D10041
Reviewers: Plasma, ngraham, davidedmundson, zzag
Reviewed By: Plasma, ngraham, davidedmundson, zzag
Subscribers: iasensio, wstephenson, davidedmundson, zzag, ngraham, kwin, cgiboudeaux
Tags: KWin
Differential Revision: https://phabricator.kde.org/D27729