drm/amd/display: Add SMU timeout check and retry

Instead of only asserting in the case of the SMU wait time is not what
we expect, add the SMU timeout check and try again.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>