ASoC: SOF: Remove dmab and dmab_bdl from snd_sof_dev struct

The dmab and dmab_bdl is not used by any platform, it can be removed from
struct snd_sof_dev.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220330201926.1330402-3-ranjani.sridharan@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>