usb: gadget: aspeed: add missing of_node_put

usb: gadget: aspeed: add missing of_node_put

Breaking out of for_each_child_of_node requires a put on the
child value.

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

Fixes: b633b108f66b ("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>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/alpine.DEB.2.22.394.2101211907060.14700@hadrien
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>