Copy images to /tmp before booting QEMU

QEMU writes things back to images after booting. After doing
this, sometimes QEMU is unable to boot that image again. This
change makes a copy of the image and boots from the copy so
that we do not write anything back to the original image.

Change-Id: I541db5732d9e1cf6a5969ab5b9d54dffcbecf0dd
Signed-off-by: Charles Paul Hofer <Charles.Hofer@ibm.com>
1 file changed