mtd: OneNAND: add support for OneNAND manufactured by Numonyx

This patch adds the Numonyx manufacturer code (0x20) to
onenand manufacturers.

Signed-off-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Steve Sakoman <steve.sakoman@linaro.org>
Tested-by: Steve Sakoman <steve.sakoman@linaro.org>
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 68e174e..5465562 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -154,6 +154,7 @@
 /*
  * OneNAND Flash Manufacturer ID Codes
  */
+#define ONENAND_MFR_NUMONYX	0x20
 #define ONENAND_MFR_SAMSUNG	0xec
 
 /**