[S390] cio: use all available paths for some internal I/O

Use all available paths for the SENSE ID and STLCK commands. This
prevents deadlocks in conjunction with reserved devices.

Signed-off-by: Sebastian Ott <[e-mail]>
Signed-off-by: Martin Schwidefsky <[e-mail]>

drivers/s390/cio/device_id.c

···
 	req->timeout	= SENSE_ID_TIMEOUT;
 	req->maxretries	= SENSE_ID_RETRIES;
 	req->lpm	= sch->schib.pmcw.pam & sch->opm;
-	req->singlepath	= 1;
 	req->check	= snsid_check;
 	req->callback	= snsid_callback;
 	ccw_request_start(cdev);

drivers/s390/cio/device_pgid.c

···
 	req->timeout	= PGID_TIMEOUT;
 	req->maxretries	= PGID_RETRIES;
 	req->lpm	= sch->schib.pmcw.pam & sch->opm;
-	req->singlepath	= 1;
 	req->data	= data;
 	req->callback	= stlck_callback;
 	stlck_build_cp(cdev, buf1, buf2);