Add licensing header to Makefiles

Signed-off-by: Tomasz Michalak <[email protected]>
Signed-off-by: Tim 'mithro' Ansell <[email protected]>

fuzzers/010-clb-lutinit/Makefile

@@ -1,3 +1,10 @@
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
 # Not using clb.mk: 0-2 segmatch
 # Could probably change segmatch to re though