- Fix a bug where the TLBPC value was forced to being odd for IN
direction isochronous transfers.
- Remove setting of fields which does not belong to the respective
TRBs. These fields are currently set as zero and this is more a
cosmetic change.

MFC after:	3 days
Submitted by:	Horse Ma <HMa@wyse.com>
- Give firmware loading more time.

MFC after:	3 days