video: exynos_dp: use usleep_range instead of delay

This patch replaces udelay and mdelay with usleep_range to remove
the busy loop waiting.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2 files changed