ASoC: SOF: configure D0ix IPC flags in set_power_state

The configuration for D0ix in FW is platform specific, let's do this and
send IPC in the platform set_power_state() ops.

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/20191025224122.7718-17-pierre-louis.bossart@linux.intel.com


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