On Navi1x, the SPM golden settings are lost after GFXOFF
enter/exit, so reconfigure the golden settings after GFXOFF
exit.
Reviewed-by: NHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: NTianci.Yin <tianci.yin@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>