Revert "drm/amd/display: Move DCN314 DOMAIN power control to DMCUB"

Revert "drm/amd/display: Move DCN314 DOMAIN power control to DMCUB"

This reverts commit e383b12709e32d6494c948422070c2464b637e44.

Controling hubp power gating using the DMCUB isn't stable so we
are reverting this change to move control back into the driver.

Cc: stable@vger.kernel.org # 6.3+
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>