firewire: net: add Kconfig item, rename driver

The driver is now called firewire-net.  It might implement the transport
of other networking protocols in the future, notably IPv6 per RFC 3146.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/Makefile b/drivers/firewire/Makefile
index 31edf30..a8f9bb6 100644
--- a/drivers/firewire/Makefile
+++ b/drivers/firewire/Makefile
@@ -6,9 +6,9 @@
                    core-iso.o core-topology.o core-transaction.o
 firewire-ohci-y += ohci.o
 firewire-sbp2-y += sbp2.o
-firewire-ipv4-y += fw-ipv4.o
+firewire-net-y  += net.o
 
-obj-$(CONFIG_FIREWIRE) += firewire-core.o
+obj-$(CONFIG_FIREWIRE)      += firewire-core.o
 obj-$(CONFIG_FIREWIRE_OHCI) += firewire-ohci.o
 obj-$(CONFIG_FIREWIRE_SBP2) += firewire-sbp2.o
-obj-$(CONFIG_FIREWIRE_IPV4) += firewire-ipv4.o
+obj-$(CONFIG_FIREWIRE_NET)  += firewire-net.o