Introduce msg_*dbg2

Corresponding to flashrom svn r1404.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/flashrom.8 b/flashrom.8
index bc5e0a5..6556609 100644
--- a/flashrom.8
+++ b/flashrom.8
@@ -77,8 +77,8 @@
 .TP
 .B "\-V, \-\-verbose"
 More verbose output. This option can be supplied multiple times
-(max. 2 times, i.e.
-.BR \-VV )
+(max. 3 times, i.e.
+.BR \-VVV )
 for even more debug output.
 .TP
 .B "\-c, \-\-chip" <chipname>