msm: camera2: cpp: Add support to enable turbo mode dynamically

The input stream can have varying properties. Based on the input
the clock can be set to turbo mode. This change adds support
for necessary IOCTL.

Change-Id: Iafb3c6bd94f6bee4993d6bc679d693c71b37d3bd
Signed-off-by: Rajakumar Govindaram <rajakuma@codeaurora.org>