of_get_child_count() can help to get the num of child directly and we
don't need to manually count the child num. No functional change with
this conversion.
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Reviewed-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/20240827070650.11424-3-zhangzekun11@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>