ASoC: rt5670: Remove unbalanced pmruntimeput()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.337 by commit 525f1c8ada75acb0de84c7aa8c0c031edb8c0105, it was introduced in version v4.0 by commit f2ecf2ef59b57bd495c40d8a3e9d03e80f66afa4. For more details please see the references link.