flashchips: Add ATMEL AT25SL128A

Change-Id: I60c433ffe9e34663c2cfc608b8b76943cd92a8ba
Signed-off-by: Hal Martin <hal.martin@gmail.com>
Reviewed-on: https://review.coreboot.org/26576
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/flashchips.h b/flashchips.h
index d17d26d..317510c 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -150,6 +150,7 @@
 #define ATMEL_AT25SF041		0x8401
 #define ATMEL_AT25SF081		0x8501
 #define ATMEL_AT25SF161		0x8601
+#define ATMEL_AT25SL128A	0x4218
 #define ATMEL_AT26DF041		0x4400
 #define ATMEL_AT26DF081		0x4500	/* guessed, no datasheet available */
 #define ATMEL_AT26DF081A	0x4501