bnx2x: Fix BCM578xx-B0 MDIO access

Fix MDIO access to Warpcore on new chip version of 578xx.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x/bnx2x_link.h b/drivers/net/bnx2x/bnx2x_link.h
index 7ee6b51..c12db6d 100644
--- a/drivers/net/bnx2x/bnx2x_link.h
+++ b/drivers/net/bnx2x/bnx2x_link.h
@@ -145,6 +145,7 @@
 #define FLAGS_SFP_NOT_APPROVED		(1<<7)
 #define FLAGS_MDC_MDIO_WA		(1<<8)
 #define FLAGS_DUMMY_READ		(1<<9)
+#define FLAGS_MDC_MDIO_WA_B0		(1<<10)
 #define FLAGS_TX_ERROR_CHECK		(1<<12)
 
 	/* preemphasis values for the rx side */