usb: gadget: s3c-hsotg: Use devm_clk_get function

devm_* functions are already used in this file. Hence
convert clk_get to devm_clk_get for completeness.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
1 file changed