crypto: lib - tidy up lib/crypto Kconfig and Makefile

In preparation of introducing a set of crypto library interfaces, tidy
up the Makefile and split off the Kconfig symbols into a separate file.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/Kconfig b/crypto/Kconfig
index b021b63..9def945 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -895,9 +895,6 @@
 	  SHA-1 secure hash standard (DFIPS 180-4) implemented
 	  using powerpc SPE SIMD instruction set.
 
-config CRYPTO_LIB_SHA256
-	tristate
-
 config CRYPTO_SHA256
 	tristate "SHA224 and SHA256 digest algorithm"
 	select CRYPTO_HASH
@@ -1036,9 +1033,6 @@
 
 comment "Ciphers"
 
-config CRYPTO_LIB_AES
-	tristate
-
 config CRYPTO_AES
 	tristate "AES cipher algorithms"
 	select CRYPTO_ALGAPI
@@ -1167,9 +1161,6 @@
 	  <https://www.cosic.esat.kuleuven.be/nessie/reports/>
 	  <http://www.larc.usp.br/~pbarreto/AnubisPage.html>
 
-config CRYPTO_LIB_ARC4
-	tristate
-
 config CRYPTO_ARC4
 	tristate "ARC4 cipher algorithm"
 	select CRYPTO_SKCIPHER
@@ -1357,9 +1348,6 @@
 	  This module provides the Cast6 cipher algorithm that processes
 	  eight blocks parallel using the AVX instruction set.
 
-config CRYPTO_LIB_DES
-	tristate
-
 config CRYPTO_DES
 	tristate "DES and Triple DES EDE cipher algorithms"
 	select CRYPTO_ALGAPI
@@ -1864,6 +1852,7 @@
 config CRYPTO_HASH_INFO
 	bool
 
+source "lib/crypto/Kconfig"
 source "drivers/crypto/Kconfig"
 source "crypto/asymmetric_keys/Kconfig"
 source "certs/Kconfig"