ASoC: qcom: common: use scoped OF node handling

ASoC: qcom: common: use scoped OF node handling

qcom_snd_parse_of() manually drops the link child node and the
cpu/platform/codec child nodes on error paths and at the end of each
iteration.

Use for_each_available_child_of_node_scoped() for the link node and
__free(device_node) for the named child nodes. This keeps the existing
ownership rules for DAI component phandle references, while removing the
manual cleanup labels from a path that has previously needed OF refcount
fixes.

Signed-off-by: Cássio Gabriel <cassiogabrielcontato@gmail.com>
Link: https://patch.msgid.link/20260608-asoc-of-node-scoped-cleanup-v1-1-9e3ac518dc2e@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>