ASoC: cs4265: Add native 32bit I2S transport

The cs4265 uses 32 bit transport on the I2S bus. This patch enables native
32 bit mode for machine drivers which use this sound card driver.

Signed-off-by: Matt Flax <flatmax@flatmax.org>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>