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 __init des_sparc64_mod_init(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(algs); i++)
		INIT_LIST_HEAD(&algs[i].cra_list);

	if (sparc64_has_des_opcode()) {
		pr_info("Using sparc64 des opcodes optimized DES implementation\n");
		return crypto_register_algs(algs, ARRAY_SIZE(algs));
	}
	pr_info("sparc64 des opcodes not available.\n");
	return -ENODEV;
}

static int __init des_sparc64_mod_init(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(algs); i++)
		INIT_LIST_HEAD(&algs[i].cra_list);

	if (sparc64_has_des_opcode()) {
		pr_info("Using sparc64 des opcodes optimized DES implementation\n");
		return crypto_register_algs(algs, ARRAY_SIZE(algs));
	}
	pr_info("sparc64 des opcodes not available.\n");
	return -ENODEV;
}
