ASoC: tlv320adc3xxx: New codec bindings

DT bindings for Texas Instruments TLV320ADC3001 and TLV320ADC3101
audio ADCs.

Signed-off-by: Ricard Wanderlof <ricardw@axis.com>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2112151759170.27889@lap5cg0092dnk.se.axis.com


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