Disable 'invalid name' pylint warning for tools/setup-ssh

Signed-off-by: Manuel Franceschini <livewire@google.com>
Reviewed-by: René Nussbaumer <rn@google.com>

tools/setup-ssh

@@ -24,6 +24,9 @@ This is needed before we can join the node into the cluster.
 
 """
 
+# pylint: disable-msg=C0103
+# C0103: Invalid name setup-ssh
+
 import getpass
 import logging
 import paramiko