RDS: Kconfig and Makefile

Add RDS Kconfig and Makefile, and modify net/'s to add
us to the build.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/rds/Kconfig b/net/rds/Kconfig
new file mode 100644
index 0000000..63bd370
--- /dev/null
+++ b/net/rds/Kconfig
@@ -0,0 +1,13 @@
+
+config RDS
+	tristate "Reliable Datagram Sockets (RDS) (EXPERIMENTAL)"
+	depends on INET && INFINIBAND_IPOIB && EXPERIMENTAL
+	---help---
+	  RDS provides reliable, sequenced delivery of datagrams
+	  over Infiniband.
+
+config RDS_DEBUG
+        bool "Debugging messages"
+	depends on RDS
+        default n
+