ASoC: madera: Correct DMIC only input hook ups

Both the data and clock should be connected to both the left and right
inputs for DMIC only inputs, add the missing routes.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20200122104143.16725-1-ckeepax@opensource.cirrus.com


Signed-off-by: Mark Brown <broonie@kernel.org>