ASoC: SOF: Intel: APL: add set_power_state() ops

Using hda_dsp_set_power_state() as set_power_state() ops for apl to do
d0ix platform configuration updates.

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/20191025224122.7718-7-pierre-louis.bossart@linux.intel.com


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