linux-phytec-fsl

ASoC: Intel: byt-max98090: Fix mic detect GPIO polarity

Mic detect GPIO is active low when headset microphone is detected. Found
both by debugging and checking the schematics.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>