Phonet: add CONFIG_PHONET

Signed-off-by: Remi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/phonet/Makefile b/net/phonet/Makefile
new file mode 100644
index 0000000..5dbff68
--- /dev/null
+++ b/net/phonet/Makefile
@@ -0,0 +1,4 @@
+obj-$(CONFIG_PHONET) += phonet.o
+
+phonet-objs := \
+	af_phonet.o