[debian-jessie-zram] Include 'mke2fs' executable.
[debian-jessie-zram] Include 'mke2fs' executable.

Include 'mke2fs' to be able to create ext4 filesystems. This is intended
to be used for creating a filesystem on a zram block device during init,
to be read-write mounted over the read-only squashfs filesystem.

sveniu/rib-examples