Blackfin: mass clean up of copyright/licensing info

Bill Gatliff & David Brownell pointed out we were missing some
copyrights, and licensing terms in some of the files in
./arch/blackfin, so this fixes things, and cleans them up.

It also removes:
 - verbose GPL text(refer to the top level ./COPYING file)
 - file names (you are looking at the file)
 - bug url (it's in the ./MAINTAINERS file)
 - "or later" on GPL-2, when we did not have that right

It also allows some Blackfin-specific assembly files to be under a BSD
like license (for people to use them outside of Linux).

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/lib/umulsi3_highpart.S b/arch/blackfin/lib/umulsi3_highpart.S
index 67b7993..051824a 100644
--- a/arch/blackfin/lib/umulsi3_highpart.S
+++ b/arch/blackfin/lib/umulsi3_highpart.S
@@ -1,3 +1,9 @@
+/*
+ * Copyright 2007 Analog Devices Inc.
+ *
+ * Licensed under the ADI BSD license or the GPL-2 (or later)
+ */
+
 .align 2
 .global ___umulsi3_highpart;
 .type ___umulsi3_highpart, STT_FUNC;