ASoC: samsung: Extend snow driver to support MAX98091

Peach-pi board has MAX98091 CODEC. Extend snow machine driver to support
this board.

Signed-off-by: Tushar Behera <tushar.b@samsung.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@linaro.org>