tc35815: Use generic PHY layer

Convert the tc35815 driver to use the generic PHY layer in
drivers/net/phy.  Also rename 'boardtype' to 'chiptype' which hould be
more appropriate.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/net/Kconfig

@@ -1438,7 +1438,7 @@ config CS89x0
 config TC35815
 	tristate "TOSHIBA TC35815 Ethernet support"
 	depends on NET_PCI && PCI && MIPS
-	select MII
+	select PHYLIB
 
 config EEPRO100
 	tristate "EtherExpressPro/100 support (eepro100, original Becker driver)"