nixos/test-instrumentation: fix rotten comment about the backdoor

This comment hasn't been accurate for a long time:

- In 363806e89b, we stopped using port 514
- In be0fca5781, we started using qemu's
  paravirtualised console device for the backdoor (`/dev/hvc0`)
This commit is contained in:
Jeremy Fleischman
2025-12-12 13:04:21 -08:00
parent 73cf188500
commit 545712933a
@@ -1,5 +1,5 @@
# This module allows the test driver to connect to the virtual machine
# via a root shell attached to port 514.
# via a root shell attached to a virtio console.
{
options,