gitignore: add emacs backup files
gitignore: add emacs backup files

mjg59/efitools,msekletar/efitools,marineam/efitools,marineam/efitools,msekletar/efitools,msekletar/efitools,mjg59/efitools,marineam/efitools,mjg59/efitools,msekletar/efitools,mjg59/efitools,marineam/efitools