Add support for EFST F49B002UA (untested)

Corresponding to flashrom svn r55 and coreboot v2 svn r2336.

flash.h

@@ -66,6 +66,9 @@ extern struct flashchip flashchips[];
 #define ST_M29F040B       0xE2
 #define ST_M29F400BT      0xD5
 
+#define EMST_ID           0x8c /* EMST - Elite Flash Storage Inc. Manufacturer ID code */
+#define EMST_F49B002UA    0x00 /* EMST F49B002UA device code */
+
 #define MSYSTEMS_ID       0x156f
 #define MSYSTEMS_MD2200   0xdb	/* ? */
 #define MSYSTEMS_MD2800   0x30	/* hmm -- both 0x30 */

flashchips.c

@@ -94,6 +94,8 @@ struct flashchip flashchips[] = {
 	 probe_82802ab, erase_82802ab,	write_82802ab,	NULL},
 	{"82802ac",	137,		172,		NULL, 1024, 64 * 1024,
 	 probe_82802ab, erase_82802ab,	write_82802ab,	NULL},
+	{"F49B002UA",   EMST_ID,        EMST_F49B002UA, NULL, 256, 4096,
+         probe_jedec,   erase_chip_jedec, write_49f002, NULL},
 #ifndef DISABLE_DOC
 	{"MD-2802 (M-Systems DiskOnChip Millennium Module)",
 	 MSYSTEMS_ID, MSYSTEMS_MD2802,