Add copyright header.

qwandor · qwandor · commit f4846857ffe4 · 2024-09-10T11:07:51.000+01:00
diff --git a/devices/common_patches/gd32f425.yaml b/devices/common_patches/gd32f425.yaml
@@ -1,3 +1,7 @@
+# Copyright 2024 The gd32-rs authors.
+#
+# SPDX-License-Identifier: MIT OR Apache-2.0
+
 RCU:
   _modify:
     CTL:
