mtd: Update copyright notices

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/drivers/mtd/afs.c b/drivers/mtd/afs.c
index cec7ab9..302372c 100644
--- a/drivers/mtd/afs.c
+++ b/drivers/mtd/afs.c
@@ -2,7 +2,7 @@
 
     drivers/mtd/afs.c: ARM Flash Layout/Partitioning
 
-    Copyright (C) 2000 ARM Limited
+    Copyright © 2000 ARM Limited
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by