fsl/fman: Add fibre support

Set SUPPORTED_FIBRE to mac_dev->if_support. It allows proper usage of
PHYs with optical/fiber support.
Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fman/mac.c

@@ -524,6 +524,7 @@ static void setup_memac(struct mac_device *mac_dev)
 	| SUPPORTED_Autoneg \
 	| SUPPORTED_Pause \
 	| SUPPORTED_Asym_Pause \
+	| SUPPORTED_FIBRE \
 	| SUPPORTED_MII)
 
 static DEFINE_MUTEX(eth_lock);