Updated Changelog

Signed-off-by: Nigel Croxon <nigel.croxon@hp.com>

The gnu-efi-3.0 toplevel subdirectory is really annoying. Kill it.

Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Nigel Croxon <nigel.croxon@hp.com>