drm/amd/display: disable sharpness if HDR Multiplier is too large

[Why]
Certain profiles have higher HDR multiplier than SDR boost max which
is not currently supported

[How]
Disable sharpness for these profiles

Fixes: 1b0ce903 ("drm/amd/display: add improvements for text display and HDR DWM and MPO")
Reviewed-by: Martin Leung <martin.leung@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>