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/Makefile b/net/rds/Makefile
new file mode 100644
index 0000000..51f2758
--- /dev/null
+++ b/net/rds/Makefile
@@ -0,0 +1,14 @@
+obj-$(CONFIG_RDS) += rds.o
+rds-y :=	af_rds.o bind.o cong.o connection.o info.o message.o   \
+			recv.o send.o stats.o sysctl.o threads.o transport.o \
+			loop.o page.o rdma.o \
+			rdma_transport.o \
+			ib.o ib_cm.o ib_recv.o ib_ring.o ib_send.o ib_stats.o \
+			ib_sysctl.o ib_rdma.o \
+			iw.o iw_cm.o iw_recv.o iw_ring.o iw_send.o iw_stats.o \
+			iw_sysctl.o iw_rdma.o
+
+ifeq ($(CONFIG_RDS_DEBUG), y)
+EXTRA_CFLAGS += -DDEBUG
+endif
+