drm/amd/display: Add new logs for AutoDPMTest

[Description]
 - Add new logs to be used by the AutoDPMTest
 - Enclose AutoDPMTest logs in settings
 - Add logging definition

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Ethan Bitnun <etbitnun@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>