lxc-ubuntu: fix non-native architectures
lxc-ubuntu: fix non-native architectures

When installing a non-native architecture, the template
installs a bunch of packages of the native architecture to work around
existing limitations of qemu-user-static, mostly related to netlink.

The current code would install upstart of the host architecture but
force the amd64 version of the others. This was just a mistake done
while testing/developping the code. Fixing now to always install
the native architecture version of all of them.

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>
Signed-off-by: Serge Hallyn <3df611b026e4639bee8aef7a4beb2e39fcebb313@ubuntu.com>

ostap/lxc,ostap/lxc