Address comments from DX reviews, and update the cyclictest histogram
output (improvements from PR #8026)
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
* Fix preempt-rt patched kernel label on wrong VM
* Fix path copying hmi_vm.img and rt_vm.img (they're not in ~/acrn-work
directory)
* Rename png images to avoid potential conflicts with other images on the
system.
* Fix Ubuntu wecome message text after logging into RT_VM
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>