drm/amdgpu: fix off by one in amdgpugfxkiq_acquire()
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 v4.14.276 by commit dd3a74d9e1b7ce143f0aec04da8691a764392f67, it was introduced in version v4.13 by commit 71c37505e7eaa01fa259debad1a71a7ae061039d. For more details please see the references link.