drm/amd/display: Promote DAL to 3.2.259

Summary:

- Enable DCN35 physymclk root clock gating
- Fix DP automation test pattern bug
- Disable OTG for mode timing switch on DCN35
- Refactor DML2
- Revert Fix handling duplicate planes on one stream
- Revert Enable DCN clock gating
- Implement cursor P-State allow for SubVP
- Optimize pipe otg allocation
- Save and restore mall state while switching from ODM to Subvp

Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: AMD-aric

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

@@ -49,7 +49,7 @@ struct aux_payload;
 struct set_config_cmd_payload;
 struct dmub_notification;
 
-#define DC_VER "3.2.258"
+#define DC_VER "3.2.259"
 
 #define MAX_SURFACES 3
 #define MAX_PLANES 6