The initialized overdrive settings are taken from vbios and SMU(
by PPSMC_MSG_TransferTableSmu2Dram).
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>