Revert "move devices to new serial server"

This reverts commit 0348c281b8678b52050577eaac8c8efa11ac79fa.
Revert "fix up bbb1"

This reverts commit cc79691aa5118429b4e132e27cc4efc8e5d0323b.
Revert "move bbb to new serial server"

This reverts commit b3debc8964e71639a572f253d13b296a4ef5debd.