module_platform_driver saves some boiler-plate code.

The devm_ APIs remove the need to manually clean up allocations,
thus removing some code.
Signed-off-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

This removes potentially machine-specific routing knowledge from the
I2S driverinto the machine drivers, which is better equipped to know
what the appropriate routing configuration is.
Signed-off-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

The core will sync DAPM as part of the card initialization, there is no
need for machine drivers to do so during their setup.

OMAP drivers are omitted as I know Peter already has patches for them.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

Signed-off-by: NMike Rapoport <mike@compulab.co.il>
Acked-by: NStephen Warren <swarren@nvidia.com>
Acked-by: NLiam Girdwood <lrg@ti.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>