Phonet: move to Networking options like other protocol stacks

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/Kconfig

@@ -185,6 +185,7 @@ source "net/x25/Kconfig"
 source "net/lapb/Kconfig"
 source "net/econet/Kconfig"
 source "net/wanrouter/Kconfig"
+source "net/phonet/Kconfig"
 source "net/sched/Kconfig"
 source "net/dcb/Kconfig"
 
@@ -229,7 +230,6 @@ source "net/can/Kconfig"
 source "net/irda/Kconfig"
 source "net/bluetooth/Kconfig"
 source "net/rxrpc/Kconfig"
-source "net/phonet/Kconfig"
 
 config FIB_RULES
 	bool