manibuilder/anita: Enable KVM when running on x86_64

This requires us to use privileged containers. Although, the QEMU
inside should still provide enough encapsulation, we might want to
disable this in automated environments.

Change-Id: I767287649511b46cd25125bcbceea8a0446fc76b
Signed-off-by: Nico Huber <nico.h@gmx.de>
3 files changed