Add support for Intel 440MX and Fujitsu MBM29F400TC

Detection and reading works, writing is not tested.

Corresponding to flashrom svn r158 and coreboot v2 svn r2903.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Peter Stuge <peter@stuge.se>
diff --git a/flash.h b/flash.h
index 743a8e5..898977f 100644
--- a/flash.h
+++ b/flash.h
@@ -92,6 +92,7 @@
 #define EN_25B32		0x2016
 
 #define FUJITSU_ID		0x04	/* Fujitsu */
+#define MBM29F400TC		0x23
 
 #define HYUNDAI_ID		0xAD	/* Hyundai */