arch/arm64/crypto/sha2-ce-glue.c: fix 4.9.129 merge issue

Seems the same lines got included twice.

Reported-by: Chienwei Chang <chienwei.chang@mediatek.com>
Reported-by: John Stultz <john.stultz@linaro.org>
Cc: Alistair Strachan <astrachan@google.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>