ASoC: ti: davinci-mcasp: Move context save/restore to runtime_pm callbacks

McASP can loose it's context when runtime_pm is disabled.
Save and restore the context when suspending and resuming the device.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed