Phonet: implement GPRS virtual interface over PEP socket

Signed-off-by: Rémi 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 505df2a..d62bbba 100644
--- a/net/phonet/Makefile
+++ b/net/phonet/Makefile
@@ -8,4 +8,4 @@
 	sysctl.o \
 	af_phonet.o
 
-pn_pep-objs := pep.o
+pn_pep-objs := pep.o pep-gprs.o