[CRYPTO] hifn: Make Kconfig option depend on PCI

The HIFN driver is currently selectable on s390 but wont compile.
Since it looks like HIFN needs PCI make the Kconfig dependent on PCI,
which is not available on s390.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index c2de135..d848e1b 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -88,6 +88,7 @@
 	select CRYPTO_DES
 	select CRYPTO_ALGAPI
 	select CRYPTO_ABLKCIPHER
+	depends on PCI
 	help
 	  This option allows you to have support for HIFN 795x crypto adapters.