nvmecontrol: Display Metadata and Sanitize capabilities of the device

Determine if a device supports "Extended" or "Separate" metadata, and
what the current metadata setting is (None, Extended, Separate)

Also determine if the device supports:

• Sanitize Crypto Erase
• Sanitize Block Erase
• Sanitize Overwrite

Reviewed by: chuck
Sponsored by: NetApp, Inc.
Sponsored by: Klara, Inc.
X-NetApp-PR: #49
Differential Revision: https://reviews.freebsd.org/D31067