clk: sirf: update copyright years to 2014

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

drivers/clk/sirf/clk-atlas6.c

@@ -1,7 +1,8 @@
 /*
  * Clock tree for CSR SiRFatlasVI
  *
- * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
+ * Copyright (c) 2011 - 2014 Cambridge Silicon Radio Limited, a CSR plc group
+ * company.
  *
  * Licensed under GPLv2 or later.
  */