Use the scoped variant of for_each_child_of_node() to simplify cleanup
handling.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/5e684d7b236904e5f79324a5e5357c2930f7402d.1716974368.git.geert+renesas@glider.beSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>