rpmsg: Fix possible refcount leak in rpmsgregisterdevice_override()
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 v5.19.2 by commit c29335612ff44df979678a38e1f55c62004f421c, it was introduced in version v5.19 by commit bb17d110cbf270d5247a6e261c5ad50e362d1675. For more details please see the references link.