msm: camera: Make wait functions in camera driver not interruptible

With interruptible wait, when system goes into suspend, the wait
returns with ERESTARTSYS. This code path may cause camera daemon
to run away due to bad state.

Change-Id: I01bc47918e553cee1c8ef497ebef032dd5f2ba0e
Signed-off-by: Yiduo Wang <yiduow@codeaurora.org>