Merge pull request #404 from seemethere/aufs_amd64

deb: Only recommend aufs-tools on amd64

Author: seemethere

deb/common/control

@@ -28,7 +28,7 @@ Vcs-Git: git://github.com/docker/docker.git
 Package: docker-ce
 Architecture: linux-any
 Depends: docker-ce-cli, containerd.io (>= 1.2.2-3), iptables, libseccomp2 (>= 2.3.0), ${shlibs:Depends}
-Recommends: aufs-tools,
+Recommends: aufs-tools [amd64],
             ca-certificates,
             cgroupfs-mount | cgroup-lite,
             git,