Adjust ENA driver files to latest ena-com changes

• Use the new API of ena_trace_*
• Fix typo syndrom --> syndrome
• Remove validation of the Rx req ID (already performed in the ena-com)
• Remove usage of deprecated ENA_ASSERT macro

Submitted by: Ido Segev <idose@amazon.com>
Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
Sponsored by: Amazon, Inc
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D27115