ASoC: SOF: Intel: hda: use snd_sof_dsp_set_power_state() op

Replace the calls to hda_dsp_set_power_state() with the
top-level SOF op snd_sof_set_power_state().
Along with this, modify the hda_dsp_resume() function to return
the value of snd_sof_set_power_state() directly.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Jaska Uimonen <jaska.uimonen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200228234225.6963-1-ranjani.sridharan@linux.intel.com


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