Add support for PMC 49FL002 as used in the RD1-PMC2

Corresponding to flashrom svn r54 and coreboot v2 svn r2332.

flash.h

@@ -52,6 +52,7 @@ extern struct flashchip flashchips[];
 #define SST_49LF008A	  0x5A	/* SST 49LF008A device */
 
 #define PMC_ID            0x9D	/* PMC Manufacturer ID[B code   */
+#define PMC_49FL002       0x6D	/* PMC 49FL002 device code      */
 #define PMC_49FL004       0x6E	/* PMC 49FL004 device code      */
 
 #define WINBOND_ID        0xDA	/* Winbond Manufacture ID code  */

flashchips.c

@@ -72,6 +72,8 @@ struct flashchip flashchips[] = {
 	 probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL},
 	{"SST49LF008A", SST_ID,		SST_49LF008A, 	NULL, 1024, 64 * 1024 ,
 	 probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
+	{"Pm49FL002",	PMC_ID,		PMC_49FL002,	NULL, 256, 16 * 1024,
+	 probe_jedec,	erase_chip_jedec, write_49fl004,NULL},
 	{"Pm49FL004",	PMC_ID,		PMC_49FL004,	NULL, 512, 64 * 1024,
 	 probe_jedec,	erase_chip_jedec, write_49fl004,NULL},
 	{"W29C011",	WINBOND_ID,	W_29C011,	NULL, 128, 128,