ASoC: ak5558: correct reset polarity

ASoC: ak5558: correct reset polarity

BugLink: https://bugs.launchpad.net/bugs/1929455
[ Upstream commit 0b93bbc977af55fd10687f2c96c807cba95cb927 ]

Reset (aka power off) happens when the reset gpio is made active.
The reset gpio is GPIO_ACTIVE_LOW

Fixes: 920884777480 ("ASoC: ak5558: Add support for AK5558 ADC driver")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1618382024-31725-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>