video: fbdev: s3c2410fb: Move to clk_prepare_enable/clk_disable_unprepare
video: fbdev: s3c2410fb: Move to clk_prepare_enable/clk_disable_unprepare

Use clk_prepare_enable/clk_disable_unprepare to make the driver
work properly with common clock framework.

Signed-off-by: Vasily Khoruzhick <2750baa0af9b656228a0c6ae55ea7df1c78e68de@gmail.com>
Signed-off-by: Tomi Valkeinen <e1ca4dbb8be1acaf20734fecd2da10ed1d46a9bb@ti.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs