Add sysutils/polkit-qt5.
This is the Qt5 version of sysutils/polkit-qt. From pkg-descr:
Polkit-Qt is a library that lets developers use the Polkit API through a nice Qt-styled API. It is mainly a wrapper around QAction and QAbstractButton that lets you integrate those two component easily with Polkit.
Submitted by: Tobias Berner <tcberner@gmail.com> to the kde@ mailing list