ASoC: wm8998: Fix PM disable depth imbalance on error

The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed on the error handling path to
keep it balanced according to context.

Fixes: 31833ead ("ASoC: arizona: Move request of speaker IRQs into bus probe")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20201111041326.1257558-4-zhangqilong3@huawei.com


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