[S390]: Add AF_IUCV socket support

From: Jennifer Hunt <jenhunt@us.ibm.com>

This patch adds AF_IUCV socket support.

Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/iucv/Makefile b/net/iucv/Makefile
index 8759417..7bfdc85 100644
--- a/net/iucv/Makefile
+++ b/net/iucv/Makefile
@@ -3,3 +3,4 @@
 #
 
 obj-$(CONFIG_IUCV)	+= iucv.o
+obj-$(CONFIG_AFIUCV)	+= af_iucv.o