net/sunbmac.c section fix

This patch fixes the following section mismatch:

<--  snip  -->

...
WARNING: drivers/net/sunbmac.o(.devinit.text+0x24): Section mismatch in reference from the function bigmac_sbus_probe() to the function .init.text:bigmac_ether_init()
...

<--  snip  -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/sunbmac.c

@@ -1075,7 +1075,7 @@ static const struct ethtool_ops bigmac_ethtool_ops = {
 	.get_link		= bigmac_get_link,
 };
 
-static int __init bigmac_ether_init(struct sbus_dev *qec_sdev)
+static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
 {
 	struct net_device *dev;
 	static int version_printed;