checkpatch: check SPDX in Makefile

The firmware in contrib folder use Makefile for the build.
Force checkpatch to check these Makefile for the SPDX.

Change-Id: I815bf6df636c96a15f82c3d8a9de0c4f219303d2
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/8520
Tested-by: jenkins

diff --git a/tools/scripts/checkpatch.pl b/tools/scripts/checkpatch.pl
index 59a3eed121ea27e3a6e23a4a54b8b44b47a07e0b..01bd547ff554e0b3a6d61de5dfad122a10f88e7b 100755 (executable)
--- a/tools/scripts/checkpatch.pl
+++ b/tools/scripts/checkpatch.pl
@@ -3728,7 +3728,7 @@ sub process {
                                } elsif ($realfile =~ /\.rst$/) {
                                        $comment = '..';
                                # OpenOCD specific: Begin
-                               } elsif ($realfile =~ /\.(am|cfg|tcl)$/) {
+                               } elsif (($realfile =~ /\.(am|cfg|tcl)$/) || ($realfile =~ /\/Makefile$/)) {
                                        $comment = '#';
                                } elsif ($realfile =~ /\.(ld)$/) {
                                        $comment = '/*';