drm/amd/display: Add Replay Low Refresh Rate parameters in dc type.

Why:
To supported Low Refresh Rate panel for Replay Feature,
Adding some parameters to record Low Refresh Rate information.

Reviewed-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Dennis Chan <dennis.chan@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>