This patch adds support for spi regmap feature to existing da7210
driver.
Signed-off-by: NAshish Chavan <ashish.chavan@kpitcummins.com>
Signed-off-by: NDavid Dajun Chen <dchen@diasemi.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>