ASoC: SOF: Intel: allow for coexistence between SOF and Atom/SST drivers

Now that we have all the support needed for coexistence between ACPI
drivers for Baytrail and Cherrytrail, remove mutual exclusion in the
Kconfig file. The selection is done by playing with the snd_intel_dsp
module parameter.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20201112223825.39765-10-pierre-louis.bossart@linux.intel.com


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