drm/amd/display: 3.2.126

DC version 3.2.126 brings improvements in multiple areas.
In summary, we highlight:

- DMUB fixes
- Firmware relase 0.0.55
- Expanded dmub_cmd documentation
- Enhancements in DCN30
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -45,7 +45,7 @@
 /* forward declaration */
 struct aux_payload;
 
-#define DC_VER "3.2.125"
+#define DC_VER "3.2.126"
 
 #define MAX_SURFACES 3
 #define MAX_PLANES 6