Add --programmer to help text and man page

Corresponding to flashrom svn r481.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
diff --git a/flashrom.8 b/flashrom.8
index 76a17a3..c8ace15 100644
--- a/flashrom.8
+++ b/flashrom.8
@@ -123,6 +123,11 @@
 Please let us know if you can verify other boards to work or not work out
 of the box.
 .TP
+.B "\-p, \-\-programmer <name>"
+Specify the programmer device. Currently supported are:
+.sp
+.BR " internal" " (default, for in-system flashing in the mainboard)"
+.TP
 .B "\-h, \-\-help"
 Show a help text and exit.
 .TP