of: overlay: fix for_each_child.cocci warnings

mainline inclusion
from mainline-v5.13-rc1
commit c4d74f0f
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I73DDA
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c4d74f0f978ed5ceee62cd3f6708081042e582a1



------------------------------------------------

Function "for_each_child_of_node" should have of_node_put() before goto.

Generated by: scripts/coccinelle/iterators/for_each_child.cocci

Fixes: 82c2d813 ("coccinelle: iterators: Add for_each_child.cocci script")
CC: Sumera Priyadarsini <sylphrenadin@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Tested-by: Frank Rowand <frank.rowand@sony.com>
Link: https://lore.kernel.org/r/alpine.DEB.2.22.394.2103221918450.2918@hadrien


Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Reviewed-by: xuqiang <xuqiang36@huawei.com>
Reviewed-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com>