ASoC: codecs: wcd938x: fix regulator leaks on probe errors

Make sure to disable and free the regulators on probe errors and on
driver unbind.

Fixes: 16572522

 ("ASoC: codecs: wcd938x-sdw: add SoundWire driver")
Cc: stable@vger.kernel.org      # 5.14
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20231003155558.27079-5-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>