drm/amd/powerplay: set smu v11 funcs for navi10

Naiv10 also uses smu v11 functions.

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>