ASoC: rt5645: Fix the error handling of rt5645_i2c_probe()

After enabling the regulator, The driver should disable the regulator
when failing at probing.

Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Link: https://lore.kernel.org/r/20220510153251.1741210-4-zheyuma97@gmail.com


Signed-off-by: Mark Brown <broonie@kernel.org>