Sanitycheck actually creates the pipes, using a naming convention imposed
by QEMU. We also need to leave a PID file.
'xt-run' Make target removed, we don't need it.
Change-Id: Ie9fd9dbb1327eb4b10424e7ee5d2f4dc09b121a4
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>