drm/amd/display: Add DCN3 MMHUBHUB
Add support to program the DCN3 MMHUBBUB (Multimedia HUB interface)
HW Blocks:
+--------++------+ +----------+
| HUBBUB || HUBP | <-- | MMHUBBUB |
+--------++------+ +----------+
|
v
+--------+
| DPP |
+--------+
|
v
+--------+
| MPC |
+--------+
|
v
+-------+
| OPP |
+-------+
|
v
+--------+
| OPTC |
+--------+
|
v
+--------+ +--------+
| DIO | | DCCG |
+--------+ +--------+
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>