BugLink: http://bugs.launchpad.net/bugs/1703430

This changed from y to m after trusty without justification.
Having it built as a module causes issues with booting on some
ARM systems.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Paolo Pisati <paolo.pisati@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>