D20672: Add an icon for Thunderbolt KCM

[Yuri Chornoivan]

yurchor edited the test plan for this revision.

REPOSITORY
  R266 Breeze Icons

REVISION DETAIL
  https://phabricator.kde.org/D20672

To: yurchor, #vdg
Cc: filipf, ngraham, kde-frameworks-devel, michaelh, bruns