When we boot with non-DT mode the damengine will need the channel number and
a filter function in order to get the channel.
The filter_data is filled in the DAI driver while the filter_function will
be provided by the edma-pcm driver.
Signed-off-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: NMark Brown <broonie@linaro.org>