bnx2x: use SAN Mac for FCoE.

Current logic causes chips running in switch dependent multi-function
FCoE mode not to configure their MAC, leading to an all 0s MAC.

This patch configures the interface with the SAN Mac instead.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c

@@ -10789,7 +10789,7 @@ static void bnx2x_get_cnic_mac_hwinfo(struct bnx2x *bp)
 			/* Zero primary MAC configuration */
 			memset(bp->dev->dev_addr, 0, ETH_ALEN);
 
-		if (IS_MF_FCOE_AFEX(bp))
+		if (IS_MF_FCOE_AFEX(bp) || IS_MF_FCOE_SD(bp))
 			/* use FIP MAC as primary MAC */
 			memcpy(bp->dev->dev_addr, fip_mac, ETH_ALEN);