K 10 svn:author V 8 hselasky K 8 svn:date V 27 2011-12-31T14:33:15.721928Z K 7 svn:log V 246 MFC r228709, r228711 and r228723: - Add missing unlock of USB controller's lock, when doing shutdown, suspend and resume. - Add code to wait for USB shutdown to be executed at system shutdown. - Add sysctl which can be used to skip this waiting. END