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/lib/bitrev.c b/lib/bitrev.c
index 160021a..72cb39b 100644
--- a/lib/bitrev.c
+++ b/lib/bitrev.c
@@ -1,6 +1,5 @@
/*
- * 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 bitrev from the Linux kernel, by Akinobu Mita
*/