media: c8sectpfe: Add of_node_put() when breaking out of loop

media: c8sectpfe: Add of_node_put() when breaking out of loop

[ Upstream commit b2e4032215c0a9e97e9afe75b851a484b23a6fc4 ]

In configure_channels(), we should call of_node_put() when breaking
out of for_each_child_of_node() which will automatically increase
and decrease the refcount.

Fixes: b754abbeb59e ("[media] c8sectpfe: STiH407/10 Linux DVB demux support")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>