drm/amdgpu: Fix PCI device refcount leak in amdgpuatrmget_bios()
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 v4.9.337 by commit 6611feef35c0c8c4d297b28a7fc6ab3a2c47eca7, it was introduced in version v4.2 by commit d38ceaf99ed015f2a0b9af3499791bd3a3daae21. For more details please see the references link.