"ipv4"/"ipv6" option is not supported in acl_add_replace and
macip_acl_add_replace vat api.
Update its help message per actual api usage.
Type: fix
Change-Id: I8d34fac5f98bd78a46a5e98df05cd35182988dd8
Signed-off-by: Lijian Zhang <Lijian.Zhang@arm.com>
Reviewed-by: Jieqiang Wang <Jieqiang.Wang@arm.com>
Reviewed-by: Govindarajan Mohandoss <Govindarajan.Mohandoss@arm.com>