drm/amd/display: add infoframe update sequence debug trace

[Why]
We find some of the driver sequence debug trace for infoframe
update is missing so add it.

[How]
Add the missing sequence debug trace for infoframe update.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -2713,6 +2713,9 @@ static void commit_planes_do_stream_update(struct dc *dc,
 					stream_update->vsp_infopacket) {
 				resource_build_info_frame(pipe_ctx);
 				dc->hwss.update_info_frame(pipe_ctx);
+
+				if (dc_is_dp_signal(pipe_ctx->stream->signal))
+					dp_source_sequence_trace(pipe_ctx->stream->link, DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME);
 			}
 
 			if (stream_update->hdr_static_metadata &&