of: fdt: fix off-by-one error in unflattendtnodes()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.145 by commit ee4369260e77821602102dcc7d792de39a56365c, it was introduced in version v4.7 by commit 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455. For more details please see the references link.