[S390] subchannel lock conversion.

Convert the subchannel lock to a pointer to a lock.  Needed for the dynamic
subchannel mapping patch.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --cc drivers/s390/cio/chsc.c
Simple merge

diff --cc drivers/s390/cio/cio.c
Simple merge

diff --cc drivers/s390/cio/cio.h
Simple merge

diff --cc drivers/s390/cio/css.c
Simple merge

diff --cc drivers/s390/cio/device.c
Simple merge

diff --cc drivers/s390/cio/device_ops.c
Simple merge