loadparam: add option "acl flag inherited canonicalization"

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu May 27 19:51:57 UTC 2021 on sn-devel-184
