s390x assembly pack: allow specifying the tag after aad in aes-ccm

67c81ec311 forgot about s390x

Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/8971)

(cherry picked from commit 887e22dd8b6f054e39b2d20fc8870eaba7fc61a8)