Code review comment for ~gpiccoli/maas:nvme_secure_erase

> [...]
> Secure erase itself should be almost instant. The firmware tells every memory
> cell on the SSD to either goto 0 or a random value.

Thanks Lee! To add on that, by using the cryptographic secure erase in NVMe (which is our first option if available) is even faster, the FW just recreates the internal key, which invalidates all previously written data heheh

Cheers,

Guilherme