lib: sha512: include "compiler.h"
Include "compiler.h" in sha512.c. This is needed by 'cpu_to_be64' macro
that used in 'sha512_base_do_finalize' function.
Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>