armv8crypto: add missing newline

The missing newline mildly garbles boot-time messages and this can be
troublesome if you need those.

Reported by: Mike Karels (mike@karels.net)
Reviewed by: gonzo
Approved by: re (gjb)

(cherry picked from commit 530d38441d55b7ac62ebae6ac8ea76903a4a3b0c)
(cherry picked from commit 0ae67623992788538b90b7c0e2882c4aa645a81f)