ASoC: ab8500: Use ASoC I/O functions

In preparation for moving away from implementing the ASoC level register
I/O functionality change direct calls to the ab8500 implementation of that
to use snd_soc_write()

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
1 file changed