Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/spl/Makefile b/spl/Makefile
index 01873de..6e5299b 100644
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -9,8 +9,7 @@
# Texas Instruments Incorporated - http://www.ti.com/
# Aneesh V <aneesh@ti.com>
#
-# This file is released under the terms of GPL v2 and any later version.
-# See the file COPYING in the root directory of the source tree for details.
+# SPDX-License-Identifier: GPL-2.0+
#
# Based on top-level Makefile.
#