nvmecontrol: Add nvme 2.0 fields to read_logpage

Add the lpo, ot, csi and uuid_index fields to read_logpage. The logpage
command has not been updated to allow these to be specified.

Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D44683

(cherry picked from commit 98ab7d0a30f8d0fc9c51e1e97ac29f87750b526c)