Say Y or M if you want to add support for codecs attached to the JZ4740 I2S interface. You will also need to select the audio interfaces to support below.
Say Y if you want to use I2S protocol and I2S codec on Ingenic JZ4740 based boards.
Say Y if you want to add support for ASoC audio on the Qi LB60 board a.k.a Qi Ben NanoNote.