Format resource tokens can be a part of either the widget or manifest
private data. In the current model, format resources come as a part of
widget private data and they come as a part of topology manifest in the
newly introduced model.

So add a common function that can fill up either of the structures.
Signed-off-by: Shreyas NC <shreyas.nc@intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>