Phonet: network device and address handling

This provides support for adding Phonet addresses to and removing
Phonet addresses from network devices.

Signed-off-by: RĂ©mi 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
index 5dbff68..980a386 100644
--- a/net/phonet/Makefile
+++ b/net/phonet/Makefile
@@ -1,4 +1,5 @@
 obj-$(CONFIG_PHONET) += phonet.o
 
 phonet-objs := \
+	pn_dev.o \
 	af_phonet.o