treewide: Move "is part of the coreboot project" line in its own comment

That makes it easier to identify "license only" headers (because they
are now license only)

Script line used for that:
  perl -i -p0e 's|/\*.*\n.*This file is part of the coreboot project.*\n.*\*|/* This file is part of the coreboot project. */\n/*|' # ...filelist...

Change-Id: I2280b19972e37c36d8c67a67e0320296567fa4f6
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41065
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

util/vgabios/pci-userspace.c

@@ -1,6 +1,5 @@
+/* This file is part of the coreboot project. */
 /*
- * This file is part of the coreboot project.
- *
  * Copyright (C) 2016 Google Inc
  *
  * This program is free software; you can redistribute it and/or modify