ASoC: Max98090: Fix digital sidetone gain TLV

TLV for digital sidetone volume is wrong, this fix matches it to the
datasheet.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
ASoC: Intel: Only export one Baytrail DAI

We dont need more than 1 DAI for Baytrail do only export one DAI.
Make the PCM data per stream rather than per DAI.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
ASoC: Byt Max98090: use only one baytrail DAI

Update the machine driver to use only one DAI like the Byt PCM driver.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>