- fix build on distributions, where %{?regenerate_initrd_post}
doesn't exist yet
- %preun: 'prime-select unset' is supposed to fail during
package installation test during build, therefore don't
let it fail via adding "|| true" to the command

- 0001-Fix-intel-configs-if-no-NVIDIA-kernel-module-is-avai.patch
* Move additional nvidia X device section needed for NVIDIA's Prime
Render Offload mode to an extra xorg.conf.d snippet. Add this only
to intel X configs, if NVIDIA's PCI BusId can be detected.
- add xorg-nvidia-prime-render-offload.conf X snippet to /etc/prime