ihdad: Implement fpath

See merge request !37

Fixes the output of sys:/iostat.
The correct implementation is TODO like most of the scheme related code in this driver.

Update Cargo.lock

See merge request redox-os/drivers!36

A 'precise' cargo update of tokio is needed for builds to succeed.

cargo update

See merge request redox-os/drivers!34

Update Cargo.lock to use socket2 on our GitLab

See merge request !33

Bump Cargo.lock

See merge request !32

Fix compilation

See merge request redox-os/drivers!31

There was a version mismatch because of outdated redox_event and some issues with the Cargo.lock that `cargo update` fixed

Make it edge-triggered

ahcid: fix atapi capacity detection