change:
1.when enable smu feature, the feature id will store sw-bitmap and smu
controller.
2.add feature mutex lock to protect feature bitmap changed when update
feature enabled state.
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>