[VirtualBox/f31] (7 commits) ...Fix conditional again

Summary of changes: 02d8b27... Enable TESTCASES and VALIDATIONKIT defaults (*) 5885037... Minor fixes (*) 2efc079... Fix warning Failed to preset unit: Unit file vboxweb-httpd. (*) a4cb95c... The VirtualBox 6.1 changelog says that it supports vboximg- (*) c1ff66e... Update VBox to 6.1.12 From Debian disable cloud_net "Fix bu (*) fe58a62... Fix conditional, we already don't build for i686 (*) f8c83c0... Fix conditional again (*) (*) This commit already existed in another branch; no separate mail sent