Add KF5::Solid IOKit support patch from René under MacOS through Macports.

This will permit to support Apple devices under MacOS as under Linux with the PKG digiKam bundle 6.0.0.

This patch need to be tested:

1/ compilation with mast Solid framework code ;
2/ At run time with digiKam, with new removable device connected as a camera or an hardrive.

See https://phabricator.kde.org/D7401 for details.

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