drm/amdgpu: add gc_10_3_5 golden setting for beige_goby

execute gc_10_3_5 golden registers one-time initialization

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>