drm/amd/display: 3.2.306

This version brings along following fixes:
- Fix dcn401 idle optimization problem
- Fix cursor corruption on dcn35
- Fix DP LL compliance failures
- Fix SubVP Phantom VBlank End calculation

Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@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

@@ -55,7 +55,7 @@ struct aux_payload;
 struct set_config_cmd_payload;
 struct dmub_notification;
 
-#define DC_VER "3.2.305"
+#define DC_VER "3.2.306"
 
 #define MAX_SURFACES 3
 #define MAX_PLANES 6