add con to the usb installer image for jeff. it could be built if required

Reference: /n/atom/patch/applied/installcon
Date: Sat May 24 03:17:51 CES 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/lib/dist/amd64/proto/archmin	Sat May 24 03:17:51 2014
+++ /sys/lib/dist/amd64/proto/archmin	Sat May 24 03:17:51 2014
@@ -87,6 +87,7 @@
 		chgrp	775	sys	sys
 		chmod	775	sys	sys
 		cleanname	775	sys	sys
+		con	775	sys	sys
 		cp	775	sys	sys
 		cpp	775	sys	sys
 		cmp	775	sys	sys