This option famously broke audio on Linus' laptop and the problem have
not been fixed.

Mark as DEPRECATED to avoid any ambiguity with distros.

Use SOF if you need HDaudio support w/ the DSP enabled, e.g. for DMIC
capture.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191101173045.27099-8-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>