msm: camera: Change CSID interrupt mask

CSID SOT (Start of Transmission) bit is enabled by default. This
causes lot of unnecessary interrupts. Disable CSID SOT mask, disable
DBG_CSID macro so that none of debug interrupts are triggered.
Remove unwanted logs.

Change-Id: Ib23da7d7b972dd61eb4df255d65b2954f953bffd
Signed-off-by: Sreesudhan Ramakrish Ramkumar <srramku@codeaurora.org>