kconfiglib: change SPDX-License-Identifier to ISC
Commit f219e01311b2 (tools: Import Kconfiglib)
added SPDX GPL-2.0+ to this library by mistake.
It should be ISC.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Ulf Magnusson <ulfalizer@gmail.com>
diff --git a/tools/buildman/kconfiglib.py b/tools/buildman/kconfiglib.py
index 31fd3c9..655cf44 100644
--- a/tools/buildman/kconfiglib.py
+++ b/tools/buildman/kconfiglib.py
@@ -1,5 +1,5 @@
#
-# SPDX-License-Identifier: GPL-2.0+
+# SPDX-License-Identifier: ISC
#
# Author: Ulf Magnusson
# https://github.com/ulfalizer/Kconfiglib