ASoC: wm8962: Disable clock if wm8962_runtime_resume() fails

When regulator_bulk_enable() fails inside wm8962_runtime_resume(),
we should disable the previously enabled clock.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>