Fix .gitignore file

Don't exclude files generated by the build, these should be removed by
the clean target instead.

Git-Dch: Ignore
Remove card from MacBookPro5,3 from EFI blacklist

At least in this model this card works with the proprietary driver even
if booted from EFI.
Use single-debian-patch for lernstick

As this is maintained in git anyway, separate quilt patches don't make
sense. So just build an automatic debian patch.

Git-Dch: Ignore
Add git-buildpackage configuration

Git-Dch: Ignore
Update changelog