drm/amd/display: 3.2.120

This DC update brings improvements in multiple areas. In summary, we highlight:
 - Fix display detection on HDMI ComboPHY
 - Drop SOC bounding box hookup
 - Fix DPCD values
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -42,7 +42,7 @@
 #include "inc/hw/dmcu.h"
 #include "dml/display_mode_lib.h"
 
-#define DC_VER "3.2.119"
+#define DC_VER "3.2.120"
 
 #define MAX_SURFACES 3
 #define MAX_PLANES 6