msm: vidc: Add support for querying controls

Add support in driver to query for control information.
This helps clients to findout limits for various controls
and sets the values accordingly.

Also update the control limits based on Venus HW capabilities.
This helps to prevent rogue clients not to set invalid values
to HW.

CRs-Fixed: 2006193
Change-Id: I0e6271c31fad83ee1d48ffd6a5fe0f23a5599c7a
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>
Signed-off-by: Vaibhav Deshu Venkatesh <vdeshuve@codeaurora.org>