Blackfin arch: spelling fixes

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/arch/blackfin/mach-bf533/boards/cm_bf533.c b/arch/blackfin/mach-bf533/boards/cm_bf533.c
index 23a7f60..edd31ce 100644
--- a/arch/blackfin/mach-bf533/boards/cm_bf533.c
+++ b/arch/blackfin/mach-bf533/boards/cm_bf533.c
@@ -1,7 +1,7 @@
 /*
  * File:         arch/blackfin/mach-bf533/boards/cm_bf533.c
  * Based on:     arch/blackfin/mach-bf533/boards/ezkit.c
- * Author:       Aidan Williams <aidan@nicta.com.au> Copright 2005
+ * Author:       Aidan Williams <aidan@nicta.com.au> Copyright 2005
  *
  * Created:      2005
  * Description:  Board description file