jedec_flash: Fix AM29DL800BB device ID

As pointed out by Jerry Hicks, this patch corrects the device ID of
the Spansion AM29DL800BB NOR device. Verified against latest Spansion
datasheet (rev C4 from Dezember 2006).

Signed-off-by: Stefan Roese <sr@denx.de>

drivers/mtd/jedec_flash.c

@@ -42,7 +42,7 @@
 #define MANUFACTURER_SST	0x00BF
 
 /* AMD */
-#define AM29DL800BB	0x22C8
+#define AM29DL800BB	0x22CB
 #define AM29DL800BT	0x224A
 
 #define AM29F800BB	0x2258