crypto: rsa - fix invalid select for AKCIPHER

Should be CRYPTO_AKCIPHER instead of AKCIPHER

Reported-by: Andreas Ruprecht <andreas.ruprecht@fau.de>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 6c79ef0..b4cfc57 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -102,7 +102,7 @@
 
 config CRYPTO_RSA
 	tristate "RSA algorithm"
-	select AKCIPHER
+	select CRYPTO_AKCIPHER
 	select MPILIB
 	select ASN1
 	help