ASoC: rt5682: Fix regulator enable/disable sequence

This will attempt to disable the regulators if the initial enable fails
which is a bug.

Fix this bug by modifying the code to the correct sequence.

Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>
Link: https://lore.kernel.org/r/tencent_4F37C9B5315B7960041E8E0ADDA869128F08@qq.com
Signed-off-by: Mark Brown <broonie@kernel.org>