K 10 svn:author V 6 andrew K 8 svn:date V 27 2015-02-15T11:23:27.933377Z K 7 svn:log V 191 Add the structures needed to get/set the power state. These can be used when, for example, we boot without U-Boot and wish to enable USB, or to suspend an unneeded device. MFC after: 1 week END