kernel: ASoC: cros_ec_codec: Fix refcount leak in cros_ec_codec_platform_probe

In the Linux kernel, the following vulnerability has been resolved: ASoC: croseccodec: Fix refcount leak in croseccodecplatformprobe ofparsephandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...