add amazon run opts to travis

Author: Sebastian Gumprich

.travis.yml

@@ -46,6 +46,7 @@ env:
   - distro: amazon
     init: /lib/systemd/systemd
     version: latest
+    run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"
 
 before_install:
   # Pull container