SPDX: Convert all of our single license tags to Linux Kernel style

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>

4 files changed, 4 insertions, 9 deletions

diff --git a/board/siemens/draco/Makefile b/board/siemens/draco/Makefile
index f15993216b..3e3394a865 100644
--- a/board/siemens/draco/Makefile
+++ b/board/siemens/draco/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # Makefile
 #
@@ -7,9 +8,6 @@
 # Based on:
 # u-boot:/board/ti/am335x/Makefile
 # Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 ifdef CONFIG_SPL_BUILD
 obj-y	:= mux.o
diff --git a/board/siemens/draco/board.c b/board/siemens/draco/board.c
index c7a6a7aaa3..95b89dac0e 100644
--- a/board/siemens/draco/board.c
+++ b/board/siemens/draco/board.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Board functions for TI AM335X based draco board
  * (C) Copyright 2013 Siemens Schweiz AG
@@ -9,8 +10,6 @@
  * u-boot:/board/ti/am335x/board.c
  *
  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/board/siemens/draco/board.h b/board/siemens/draco/board.h
index 8856fd0f86..7c29a45c03 100644
--- a/board/siemens/draco/board.h
+++ b/board/siemens/draco/board.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * board.h
  *
@@ -9,8 +10,6 @@
  * u-boot:/board/ti/am335x/board.h
  *
  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _BOARD_H_
diff --git a/board/siemens/draco/mux.c b/board/siemens/draco/mux.c
index 38a484eb43..3f2d41befe 100644
--- a/board/siemens/draco/mux.c
+++ b/board/siemens/draco/mux.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * pinmux setup for siemens draco board
  *
@@ -7,8 +8,6 @@
  * Based on:
  * u-boot:/board/ti/am335x/mux.c
  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>