linux-firmware: bnx2: Update firmware to 6.0.x.

upstream kernel commit 22fa159d37efbfe781bbb99279efe83f58b87d29

- Improved flow control and simplified interface
- Use hardware RSS indirection table instead of the slower firmware-
  based table
- Lower latency interrupt on 5709

Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

WHENCE

@@ -970,16 +970,21 @@ Driver: bnx2 - Broadcom NetXtremeII
 File: bnx2/bnx2-mips-06-4.6.16.fw
 File: bnx2/bnx2-mips-06-5.0.0.j3.fw
 File: bnx2/bnx2-mips-06-5.0.0.j6.fw
+File: bnx2/bnx2-mips-06-6.0.15.fw
 File: bnx2/bnx2-mips-09-4.6.17.fw
 File: bnx2/bnx2-mips-09-5.0.0.j3.fw
 File: bnx2/bnx2-mips-09-5.0.0.j9.fw
+File: bnx2/bnx2-mips-09-6.0.17.fw
 File: bnx2/bnx2-rv2p-06-4.6.16.fw
 File: bnx2/bnx2-rv2p-06-5.0.0.j3.fw
+File: bnx2/bnx2-rv2p-06-6.0.15.fw
 File: bnx2/bnx2-rv2p-09-4.6.15.fw
 File: bnx2/bnx2-rv2p-09-5.0.0.j3.fw
 File: bnx2/bnx2-rv2p-09-5.0.0.j10.fw
+File: bnx2/bnx2-rv2p-09-6.0.17.fw
 File: bnx2/bnx2-rv2p-09ax-5.0.0.j3.fw
 File: bnx2/bnx2-rv2p-09ax-5.0.0.j10.fw
+File: bnx2/bnx2-rv2p-09ax-6.0.17.fw
 
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