net: tulip: convert to devres

Works fine on my HP C3600:

[  274.452394] tulip0: no phy info, aborting mtable build
[  274.499041] tulip0:  MII transceiver #1 config 1000 status 782d advertising 01e1
[  274.750691] net eth0: Digital DS21142/43 Tulip rev 65 at MMIO 0xf4008000, 00:30:6e:08:7d:21, IRQ 17
[  283.104520] net eth0: Setting full-duplex based on MII#1 link partner capability of c1e1

Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: David S. Miller <davem@davemloft.net>