Use our prebuilt qemu kernel.

Change-Id: I393a56f9e8194bf3f03b87b2b98f475da4aac6ae
Signed-off-by: Dmitrijs Ledkovs <dmitrijs.ledkovs@canonical.com>
Setting phablet-trusty by default on trusty

Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
Merge remote-tracking branch 'phablet/phablet-trusty' into default
Updating default revision for x86_64-linux-glibc2.7-4.6 (track master instead)

Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
Merge remote-tracking branch 'phablet/phablet-trusty' into default