built mfi_stp_oob
--- run ---
[DF-1259] open("/dev/mfi0") failed: No such file or directory (errno=2)
[DF-1259] RESULT: /dev/mfi0 absent -> mfi not attached.
[DF-1259] The mfi_stp_cmd OOB write into mfi_softc is NOT
[DF-1259] reachable on this guest (no LSI MegaRAID HW).
[DF-1259] Bug confirmed in source at mfi.c:2747; latent on
[DF-1259] hardware-equipped hosts.