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/tools/imls/Makefile b/tools/imls/Makefile
index 0caa397..1be1edb 100644
--- a/tools/imls/Makefile
+++ b/tools/imls/Makefile
@@ -1,20 +1,7 @@
 #
 # (C) Copyright 2009 Marco Stornelli <marco.stornelli@gmail.com>
 #
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
+# SPDX-License-Identifier:	GPL-2.0+
 #
 
 include $(TOPDIR)/config.mk
diff --git a/tools/imls/README b/tools/imls/README
index 97d7e32..9adf923 100644
--- a/tools/imls/README
+++ b/tools/imls/README
@@ -1,23 +1,7 @@
 #
 # (C) Copyright 2009 Marco Stornelli <marco.stornelli@gmail.com>
 #
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# The files in this directory are free software; you can redistribute
-# them and/or modify them under the terms of the GNU General Public
-# License as published by the Free Software Foundation; either
-# version 2 of the License, or (at your option) any later version.
-#
-# These files are distributed in the hope that they will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
+# SPDX-License-Identifier:	GPL-2.0+
 #
 
 IMLS
diff --git a/tools/imls/imls.c b/tools/imls/imls.c
index a982a13..95043b4 100644
--- a/tools/imls/imls.c
+++ b/tools/imls/imls.c
@@ -1,20 +1,7 @@
 /*
  * (C) Copyright 2009 Marco Stornelli
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <errno.h>