Nope, it's already on the latest available firmware and IT mode:
Nov 29 18:51:21 Tower kernel: mpt2sas_cm0: LSISAS2308: FWVersion(20.00.07.00), ChipRevision(0x05), BiosVersion(07.39.02.00)
Nov 29 18:51:21 Tower kernel: mpt2sas_cm0: Protocol=(Initiator,Target), Capabilities=(TLR,EEDP,Snapshot Buffer,Diag Trace Buffer,Task Set Full,NCQ)