Fix enum mapping for deep color ratio
Reviewed-by: NCharlene Liu <Charlene.Liu@amd.com>
Acked-by: NAlan Liu <HaoPing.Liu@amd.com>
Signed-off-by: NHansen Dsouza <Hansen.Dsouza@amd.com>
Tested-by: NDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>