msm: camera: csiphy: Correct delay when configure device

During streamon ioctl, lane configuration register writing
is introducing unncessary delay. This change fixes this error as
well as add check condition to add delay when it is non zero
to improve performance.

Change-Id: Ifacfea9a3d8d8071331982cb853bc53c3c1928dc
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>