ionic: refresh devinfo after fw-upgrade

Make sure we can report the new FW version after a
fw-upgrade has finished by re-reading the device's
fw version information.

Fixes: c672412f ("ionic: remove lifs on fw reset")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>