Multiple unrelated changes

* support for Winbond W39V040A
* Support for ATI SB400 (RS480 chipset)
* Support for Intel ICH7 (from Scott Tsai <scott.tsai@arima.com.tw>)

Corresponding to flashrom svn r51 and coreboot v2 svn r2229.
diff --git a/flashchips.c b/flashchips.c
index cd050dc..9a4b71a 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -76,6 +76,8 @@
 	 probe_jedec, 	erase_chip_jedec, write_jedec,	NULL},
 	{"W49F002U", 	WINBOND_ID, 	W_49F002U,	NULL, 256, 128,
 	 probe_jedec,	erase_chip_jedec, write_49f002, NULL},
+	{"W39V040A", 	WINBOND_ID, 	W_39V040A,	NULL, 512, 64*1024,
+	 probe_jedec,	erase_chip_jedec, write_39sf020, NULL},
 	{"M29F040B",	ST_ID, 		ST_M29F040B,	NULL, 512, 64 * 1024,
 	 probe_29f040b, erase_29f040b,	write_29f040b,	NULL},
 	{"M29F400BT",	ST_ID,		ST_M29F400BT,	NULL, 512, 64 * 1024,