[xorg-x11-drv-nvidia/el8] (7 commits) ...Merge branch 'master' into el8

Summary of changes: 071b0fb... Add systemd samples to doc (*) 52e2c75... Install the systemd power management files (*) e832a4e... Update to 455.23.04 beta (*) b7400d7... Update to 455.28 release (*) 8b41ed3... Symlink profile files to fix el issue (*) f6d8d3e... Update to 455.38 release (*) 13981de... Merge branch 'master' into el8 (*) This commit already existed in another branch; no separate mail sent