usb:hsotg:samsung: Use clk_prepare_enable and clk_disable_unprepare

This commit adjust the s3c-hsotg to new clock API.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
1 file changed