sdm: Add HDR10+ support for DisplayPort displays

Add HDR10+ i.e., dynamic metadata support for DisplayPort displays.
- Query DRM Connector property.
- Convert dynamic metadata to VSIF packets for DP displays.

Change-Id: I816a7099d61bb8f93fa9b692fdec2a047b3c6110
CRs-fixed: 2450703
5 files changed