drm/amdgpu: fix pci device refcount leak
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 v5.15.86 by commit 02105f0b3021ee5853b2fa50853c42f35fc01cfd, it was introduced in version v5.8 by commit 3f12acc8d6d4b2e62fab8f652d7075a859d80b42. For more details please see the references link.