spi/clps711x: drop clk_put for devm_clk_get in spi_clps711x_probe()

devm_clk_get() is used so there is no reason to explicitly
call clk_put() in probe or remove functions.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>