msm: camera: Bring over remaining changes for camera driver

Bring over remaining camera driver changes as of msm-4.14
commit 94998929  (msm: camera: core: Update the log level).

Change-Id: I18717d09c82bf3c41f2066571b7c4b72d23f777d
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>