sf: stmicro: add support N25Q128 parts

Adds support for Numonyx's N25Q128 SPI flash. These devices
are used on (among others) Avnet Spartan-6 LX9 micro-evaluation
boards. Tested with "sf" commands and CONFIG_ENV_IS_IN_SPI_FLASH.

Signed-off-by: Stephan Linz <linz@li-pro.net>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/drivers/mtd/spi/stmicro.c b/drivers/mtd/spi/stmicro.c
index 706bb8e..600e531 100644
--- a/drivers/mtd/spi/stmicro.c
+++ b/drivers/mtd/spi/stmicro.c
@@ -93,6 +93,12 @@
 		.name = "M25P128",
 	},
 	{
+		.id = 0xba18,
+		.pages_per_sector = 256,
+		.nr_sectors = 256,
+		.name = "N25Q128",
+	},
+	{
 		.id = 0xba19,
 		.pages_per_sector = 256,
 		.nr_sectors = 512,