iwlwifi: update Copyright

Update Copyright to 2012

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index f8fc239..6f76127 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -1,6 +1,6 @@
 /******************************************************************************
  *
- * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
  *
  * Portions of this file are derived from the ipw3945 project.
  *