ctcm driver supports the channel-to-channel connections of the
old ctc driver plus an additional MPC protocol to provide SNA
connectivity.

This new ctcm driver replaces the existing ctc driver.
Signed-off-by: NPeter Tiedemann <ptiedem@de.ibm.com>
Signed-off-by: NUrsula Braun <braunu@de.ibm.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>