--- kernel-2.6.27.orig/net/Kconfig
+++ kernel-2.6.27/net/Kconfig
@@ -232,6 +232,7 @@
 source "net/irda/Kconfig"
 source "net/bluetooth/Kconfig"
 source "net/rxrpc/Kconfig"
+source "net/phonet/Kconfig"
 
 config FIB_RULES
 	bool