This patch adds support for Dialog semiconductor's DA9055 audio codec.

This has been tested on DA9055 EVB with Samsung SMDK6410 board.
Signed-off-by: NAshish Chavan <ashish.chavan@kpitcummins.com>
Signed-off-by: NDavid Dajun Chen <david.chen@diasemi.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>