ASoC: wm8731: let codec to manage clock by itself

Enable WM8731 to support common clock framework.

Signed-off-by: Songjun Wu <songjun.wu@atmel.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed