crypto: prefix module autoloading with "crypto-"

This prefixes all crypto module loading with "crypto-" so we never run
the risk of exposing module auto-loading to userspace via a crypto API,
as demonstrated by Mathias Krause:

https://lkml.org/lkml/2013/3/4/70

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
static int tgr128_final(struct shash_desc *desc, u8 * out)
{
	u8 D[64];

	tgr192_final(desc, D);
	memcpy(out, D, TGR128_DIGEST_SIZE);
	memzero_explicit(D, TGR192_DIGEST_SIZE);

	return 0;
}

static int tgr128_final(struct shash_desc *desc, u8 * out)
{
	u8 D[64];

	tgr192_final(desc, D);
	memcpy(out, D, TGR128_DIGEST_SIZE);
	memzero_explicit(D, TGR192_DIGEST_SIZE);

	return 0;
}
