UBUNTU: [Packaging] Enable rootless builds

Let the build driver (e.g. dpkg-buildpackage) know this can be built
without root privilege. DEB_RULES_REQUIRES_ROOT will be set to "no"
instead of "binary-targets".

Signed-off-by: Masahiro Yamada <masahiro.yamada@canonical.com>
Acked-by: Agathe Porte <agathe.porte@canonical.com>
Acked-by: Thibault Ferrante <thibault.ferrante@canonical.com>
Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>

debian.master/control.stub.in

@@ -2,6 +2,7 @@ Source: SRCPKGNAME
 Section: devel
 Priority: optional
 Maintainer: Ubuntu Kernel Team <kernel-team@lists.ubuntu.com>
+Rules-Requires-Root: no
 Standards-Version: 3.9.4.0
 Build-Depends:
  debhelper-compat (= 10),