spidernet: enable support for bcm5461 ethernet phy

A newer board revision changed the type of ethernet phy.
Moreover, this generalizes the way that a phy gets switched
into fiber mode when autodetection is not available.

Signed-off-by: Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
diff --git a/drivers/net/sungem_phy.h b/drivers/net/sungem_phy.h
index 4305444..69e1251 100644
--- a/drivers/net/sungem_phy.h
+++ b/drivers/net/sungem_phy.h
@@ -12,6 +12,7 @@
 	int		(*setup_forced)(struct mii_phy *phy, int speed, int fd);
 	int		(*poll_link)(struct mii_phy *phy);
 	int		(*read_link)(struct mii_phy *phy);
+	int		(*enable_fiber)(struct mii_phy *phy);
 };
 
 /* Structure used to statically define an mii/gii based PHY */