Allow the user to select which of the system clocks each AIF is referenced
to and constran the DAI to the set of frequencies which can be generated
from that clock.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

The WM5102 is a highly-integrated low-power audio system for smartphones,
tablets and other portable audio devices based on the Arizona platform.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>