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