sf: sst: add support for SST25VF064C

Signed-off-by: James Kosin <jkosin@intcomgrp.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/drivers/mtd/spi/sst.c b/drivers/mtd/spi/sst.c
index 0733deb..4dc2db2 100644
--- a/drivers/mtd/spi/sst.c
+++ b/drivers/mtd/spi/sst.c
@@ -71,6 +71,10 @@
 		.nr_sectors = 1024,
 		.name = "SST25VF032B",
 	},{
+		.idcode1 = 0x4b,
+		.nr_sectors = 2048,
+		.name = "SST25VF064C",
+	},{
 		.idcode1 = 0x01,
 		.nr_sectors = 16,
 		.name = "SST25WF512",