MFC r344654, r345334.
r344654:
cxgbe(4): Request high priority filter support explicitly, as required
by recent firmwares.
Sponsored by: Chelsio Communications
r345334:
cxgbe(4): Treat the viid as an opaque identifier.
Recent firmwares prefer to use a different format for viid internally
and this change allows them to do so.
Sponsored by: Chelsio Communications