Fix typo

Add missing copyright year.

Corresponding to flashrom svn r428 and coreboot v2 svn r4107.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

sb600spi.c

@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2008 Wang Qingpei <Qingpei.Wang@amd.com>
  * Copyright (C) 2008 Joe Bao <Zheng.Bao@amd.com>
- * Copyright (C) Adavanced Micro Devices, Inc
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
  *
  * 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