crypto: sha256 - Expose SHA256 generic routine to be callable externally.

Other SHA256 routine may need to use the generic routine when
FPU is not available.

Change-Id: I9301e29ef34cd2597d9e418f43a07c2ce9d6eafa
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Git-commit: 35d2c9d0c3cfd90850dc647250610587743e1f29
Git-repo: https://android.googlesource.com/kernel/common/
Signed-off-by: Samir Mehta <samirn@codeaurora.org>
2 files changed