/usr/src/zfs-0.6.5.6/contrib/dracut/Makefile.am is in zfs-dkms 0.6.5.6-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3
SUBDIRS = 90zfs EXTRA_DIST = README.dracut.markdown