ASoC: SOF: Intel: hda: Allow trace DMA in S0 when DSP is in D0I3 for debug

ASoC: SOF: Intel: hda: Allow trace DMA in S0 when DSP is in D0I3 for debug

Trace DMA is disabled by default when the DSP is in D0I3.
Add a debug option to keep trace DMA enabled when the DSP
is in D0I3 during S0.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200129220726.31792-10-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>