msm: vidc: Configure DCVS parameters with target DT entry

Existing DCVS design is tightly coupled with specific
target. Move the target specific configuration parameters
in DT file and configure DCVS algorithm based on DT params.

Change-Id: I1ed0fa93c5a903293aa38ad1bf646facf1f964d3
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>