tree be61085c7d91711d04ce6ebd5e45d4d2275099da
parent 20f846fb0853b422a996d3e3b855aa791eaedb77
author Johnathan Van Why <jrvanwhy@google.com> 1592260194 -0700
committer Johnathan Van Why <jrvanwhy@google.com> 1592260194 -0700

Use Tock's QEMU instead of our own QEMU.

I also switched to using `cargo clean` in the Makefile rather than manually removing `target/` and `Cargo.lock`, as that seems like a more correct and maintainable design.