[S390] cio: handle error during device recognition consistently

Remove the return code from ccw_device_recognition and handle
recognition errors through the existing callback
ccw_device_recog_done to reduce cleanup code duplication.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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

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

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