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: 2003998
Change-Id: Ib444aba2203c898f778f4d7c0bc086ecc07461af
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>