topology: Fix to update widget num_controls
topology: Fix to update widget num_controls

Signed-off-by: Subhransu S. Prusty <5802be247caf66408bd024ec19beeb4100b80acb@intel.com>

lgirdwood/alsa-lib,mengdonglin/alsa-lib,mengdonglin/alsa-lib,lgirdwood/alsa-lib,mengdonglin/alsa-lib,lgirdwood/alsa-lib,mengdonglin/alsa-lib,lgirdwood/alsa-lib,lgirdwood/alsa-lib,mengdonglin/alsa-lib