clk: sirf: update copyright years to 2014

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

diff --cc drivers/clk/sirf/clk-atlas6.c
Simple merge

diff --cc drivers/clk/sirf/clk-common.c
Simple merge

diff --cc drivers/clk/sirf/clk-prima2.c
Simple merge