drm/amdgpu: add psp early init for PSP 13.0.6

Initialize psp ip callbacks for PSP 13.0.6.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>