vmm(4) :Add the ukvm/Solo5 hypercall I/O ports to the list of ports to be

vmm(4) :Add the ukvm/Solo5 hypercall I/O ports to the list of ports to be
passed through to userspace. When not using ukvm, if a guest does I/O to
these ports, vmd(8) will just discard the I/O.

Thanks to Adam Steen for helping test these past few diffs, in order
to get ukvm working on vmm(4).