Add board enable for Asus P2B-N

Many thanks to Michael Karcher for reverse engineering this.

lspci/superio output:
http://www.flashrom.org/pipermail/flashrom/2010-August/004475.html

Corresponding to flashrom svn r1146.

Signed-off-by: Mattias Mattsson <vitplister@gmail.com>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
diff --git a/print.c b/print.c
index 4871cc8..13d7fa5 100644
--- a/print.c
+++ b/print.c
@@ -348,6 +348,7 @@
 	B("ASUS",	"P2B-D",		1, "ftp://ftp.asus.com.tw/pub/ASUS/mb/slot1/440bx/p2b-d/", NULL),
 	B("ASUS",	"P2B-DS",		1, "ftp://ftp.asus.com.tw/pub/ASUS/mb/slot1/440bx/p2b-ds/", NULL),
 	B("ASUS",	"P2B-F",		1, "ftp://ftp.asus.com.tw/pub/ASUS/mb/slot1/440bx/p2b-d/", NULL),
+	B("ASUS",	"P2B-N",		1, "ftp://ftp.asus.com.tw/pub/ASUS/mb/slot1/440bx/p2b-n/", NULL),
 	B("ASUS",	"P2E-M",		1, "ftp://ftp.asus.com.tw/pub/ASUS/mb/slot1/440ex/p2e-m/", NULL),
 	B("ASUS",	"P2L97-S",		1, "ftp://ftp.asus.com.tw/pub/ASUS/mb/slot1/440lx/p2l97-s/", NULL),
 	B("ASUS",	"P3B-F",		0, "ftp://ftp.asus.com.tw/pub/ASUS/mb/slot1/440bx/p3b-f/", NULL),