drm/amdgpu: load smc ucode at first with psp while rlc auto load is supported

This patch loades smc ucode at first with psp while rlc auto load is supported
on navi10.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>