Use devm_clk_get() so that the clk_put() happens automatically when
the last reference to this driver is dropped.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Mika Westerberg <mika.westerberg@iki.fi> Signed-off-by: Mark Brown <broonie@linaro.org>