[U-Boot] [PATCH] sf: add GPL-2 license info

[Mike Frysinger]

Some of the new spi flash files were missing explicit license lines.

Signed-off-by: Mike Frysinger <vapier at gentoo.org>
CC: Haavard Skinnemoen <haavard.skinnemoen at atmel.com>
---
this needs Haavard's approval since he wrote/submitted the original code

 common/cmd_sf.c             |    2 ++
 drivers/mtd/spi/atmel.c     |    1 +
 drivers/mtd/spi/spi_flash.c |    1 +
 3 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/common/cmd_sf.c b/common/cmd_sf.c
index d571f60..d69ae6a 100644
--- a/common/cmd_sf.c
+++ b/common/cmd_sf.c
@@ -2,7 +2,9 @@
  * Command for accessing SPI flash.
  *
  * Copyright (C) 2008 Atmel Corporation
+ * Licensed under the GPL-2 or later.
  */
+
 #include <common.h>
 #include <spi_flash.h>
 
diff --git a/drivers/mtd/spi/atmel.c b/drivers/mtd/spi/atmel.c
index 3bc2dff..8306c00 100644
--- a/drivers/mtd/spi/atmel.c
+++ b/drivers/mtd/spi/atmel.c
@@ -2,6 +2,7 @@
  * Atmel SPI DataFlash support
  *
  * Copyright (C) 2008 Atmel Corporation
+ * Licensed under the GPL-2 or later.
  */
 
 #include <common.h>
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index 0e1495b..612f819 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -2,6 +2,7 @@
  * SPI flash interface
  *
  * Copyright (C) 2008 Atmel Corporation
+ * Licensed under the GPL-2 or later.
  */
 
 #include <common.h>
-- 
1.6.5.rc2