drm/amd/display: Promote DC to 3.2.348

Summary:

* Refactor bounding box values handling
* Fix incorrect condition to fail dto clk calculation
* Skip check downlink setting for a certain MST branch device
* Fix double cursor issue on dcn314

Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>