arm64/crypto: SHA-224/SHA-256 using ARMv8 Crypto Extensions

This patch adds support for the SHA-224 and SHA-256 Secure Hash Algorithms
for CPUs that have support for the SHA-2 part of the ARM v8 Crypto Extensions.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Git-commit: 6ba6c74dfc6bcf43312ef572592f7d4ebb3aedfa
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>