bnx2: Update firmware and version

Update MIPS firmware to 6.2.1, with improved small packet performance
in RSS mode, and iSCSI CID allocation bug fix on 5708.

Update driver version to 2.0.21.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/firmware/WHENCE b/firmware/WHENCE
index f22c4df..14aaee8 100644
--- a/firmware/WHENCE
+++ b/firmware/WHENCE
@@ -699,9 +699,9 @@
 
 Driver: BNX2 - Broadcom NetXtremeII
 
-File: bnx2/bnx2-mips-06-6.0.15.fw
+File: bnx2/bnx2-mips-06-6.2.1.fw
 File: bnx2/bnx2-rv2p-06-6.0.15.fw
-File: bnx2/bnx2-mips-09-6.0.17.fw
+File: bnx2/bnx2-mips-09-6.2.1.fw
 File: bnx2/bnx2-rv2p-09-6.0.17.fw
 File: bnx2/bnx2-rv2p-09ax-6.0.17.fw