[S390] cio: Use device_{create,remove}_bin_file.

Create/remove the channel measurement binary files with
device_{create,remove}_bin_file instead of sysfs_{create,remove}_bin_file.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>