Move victoria falls to rust, which allows us to remove both the denali
and victoria falls C++ code. This disk driver appears to work properly
but has highlighted some instability in the voyageus xhci implementation
which now breaks.
Begin enumerating information from the PCI structure and HBA AHCI
structures.
Currently the PCI structure address is hardcoded but it should be
passed via a capability from the init process in the future.