Please review the following fixes
CR: 5887 DC needs to install boot blocks to sparc bootroot http://defect.opensolaris.org/bz/show_bug.cgi?id=5887 5888 /platform/[sun4u|sun4v]/wanboot is needed in AI image http://defect.opensolaris.org/bz/show_bug.cgi?id=5888 Webrev: http://cr.opensolaris.org/~jeanm/slim_5888_5887/ Jean
