kernel: drm/amdgpu/powerplay/psm: Fix memory leak in power state init

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/powerplay/psm: Fix memory leak in power state init Commit 902bc65de0b3 "drm/amdgpu/powerplay/psm: return an error in power state init" made the power state init function return early in case of failure to get an entry...