bnx2x: Update firmware to 6.2.9

To fix bugs when running offloaded FCoE/iSCSI traffic in multiple
Class of Service environments.  In some scenarios, traffic could stop
on certain rings and eventually all traffic would stop.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Export the blobs to linux-firmware; keep the previous versions]

WHENCE

@@ -1028,6 +1028,9 @@ File: bnx2x/bnx2x-e2-6.0.34.0.fw
 File: bnx2x/bnx2x-e1-6.2.5.0.fw
 File: bnx2x/bnx2x-e1h-6.2.5.0.fw
 File: bnx2x/bnx2x-e2-6.2.5.0.fw
+File: bnx2x/bnx2x-e1-6.2.9.0.fw
+File: bnx2x/bnx2x-e1h-6.2.9.0.fw
+File: bnx2x/bnx2x-e2-6.2.9.0.fw
 File: bnx2x/bnx2x-e2-7.0.20.0.fw
 File: bnx2x/bnx2x-e1-7.0.20.0.fw
 File: bnx2x/bnx2x-e1h-7.0.20.0.fw