crypto: ixp4xx - Hardware crypto support for IXP4xx CPUs

Add support for the hardware crypto engine provided by the NPE C
of the Intel IXP4xx networking processor series.

Supported ciphers: des, des3, aes
and a combination of them with md5 and sha1 hmac

Signed-off-by: Christian Hohnstaedt <chohnstaedt@innominate.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
index d29d2cd..73557b2 100644
--- a/drivers/crypto/Makefile
+++ b/drivers/crypto/Makefile
@@ -3,3 +3,4 @@
 obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
 obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hifn_795x.o
 obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
+obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o