Well, this seems odd. I don't see any candidate which looks likely, to me, in /lib/firmware/bnx2:
Backup:/lib/firmware/bnx2# la total 636 drwxr-xr-x 2 root root 4096 Feb 19 15:20 . drwxr-xr-x 7 root root 4096 Feb 19 15:20 .. -rw-r--r-- 1 root root 93172 Jun 15 2014 bnx2-mips-06-5.0.0.j3.fw -rw-r--r-- 1 root root 92792 Jun 15 2014 bnx2-mips-06-6.2.1.fw -rw-r--r-- 1 root root 92824 Jun 15 2014 bnx2-mips-06-6.2.3.fw -rw-r--r-- 1 root root 96504 Jun 15 2014 bnx2-mips-09-5.0.0.j3.fw -rw-r--r-- 1 root root 103868 Jun 15 2014 bnx2-mips-09-6.2.1a.fw -rw-r--r-- 1 root root 103904 Jun 15 2014 bnx2-mips-09-6.2.1b.fw -rw-r--r-- 1 root root 6600 Jun 15 2014 bnx2-rv2p-06-5.0.0.j3.fw -rw-r--r-- 1 root root 5696 Jun 15 2014 bnx2-rv2p-06-6.0.15.fw -rw-r--r-- 1 root root 7216 Jun 15 2014 bnx2-rv2p-09-5.0.0.j3.fw -rw-r--r-- 1 root root 6104 Jun 15 2014 bnx2-rv2p-09-6.0.17.fw -rw-r--r-- 1 root root 7800 Jun 15 2014 bnx2-rv2p-09ax-5.0.0.j3.fw -rw-r--r-- 1 root root 6616 Jun 15 2014 bnx2-rv2p-09ax-6.0.17.fw This is an AMD-64 system.