.travis.yml: In Ubuntu 16.04, qemu always exits with rc of 1.
.travis.yml: In Ubuntu 16.04, qemu always exits with rc of 1.

Change-Id: I4a35dd7a5721470b4834b064d23fa4de2906b674

pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython