drm/amd/display: Add hdr_supported flag

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dc_types.h

@@ -218,6 +218,7 @@ struct dc_edid_caps {
 	bool lte_340mcsc_scramble;
 
 	bool edid_hdmi;
+	bool hdr_supported;
 };
 
 struct view {