[S390] sclp: fix coding style.

Use only capital letters for defines.

Cc: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

drivers/s390/char/sclp.c

@@ -511,7 +511,7 @@ sclp_state_change_cb(struct evbuf_header *evbuf)
 }
 
 static struct sclp_register sclp_state_change_event = {
-	.receive_mask = EvTyp_StateChange_Mask,
+	.receive_mask = EVTYP_STATECHANGE_MASK,
 	.receiver_fn = sclp_state_change_cb
 };