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 void ahash_algs_unregister_all(struct hash_device_data *device_data)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(hash_algs); i++)
		crypto_unregister_ahash(&hash_algs[i].hash);
}

static void ahash_algs_unregister_all(struct hash_device_data *device_data)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(hash_algs); i++)
		crypto_unregister_ahash(&hash_algs[i].hash);
}
