K 10 svn:author V 3 avg K 8 svn:date V 27 2012-10-06T20:08:29.266754Z K 7 svn:log V 224 add detection of serial console presence to btx and boot2-like blocks Note that this commit slightly increases size of boot blocks. Reviewed by: jhb Tested by: Olivier Cochard-Labbe MFC after: 26 days END