net/ena: update version to 2.0.1

net/ena: update version to 2.0.1

In 2.0.1 ENA, there were patches for:
  * assigning NUMA node to the IO queue
    commit 4217cb0b7d2c ("net/ena: fix assigning NUMA node to IO queue")
  * statistics counters (Rx checksum errors and per-queue number of the
    Tx packets)
    commit ef74b5f7b69b ("net/ena: fix Rx checksum errors statistics")
    commit 5673e285a633 ("net/ena: fix Tx statistics")
  * SMP support
    commit 117ba4a60488 ("net/ena: get device info statically")
  * setting Rx checksum support
    commit ef538c1a7f56 ("net/ena: fix checksum feature flag")

Signed-off-by: Michal Krawczyk <mk@semihalf.com>