ASoC: Intel: atom: use cht_bsw_max98090 for Baytrail Chromebooks

Baytrail Chromebooks used to be managed with legacy driver which
is not compatible with atom/sst drivers. Reuse CHT driver to
handle max98098 codec and allow distributions to support all
Atom platforms with the same build.

The legacy byt-max98090 can still be used but in a build for
Baytrail+max98090 only.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>