Add fields to describe all the audio-related GPIOs on Harmony, except for
the codec's GPIO IRQ, which will be passed in its i2c_board_info.
Signed-off-by: NStephen Warren <swarren@nvidia.com>
Acked-by: NLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>