s390/appldata: change return value of appldata_asm

Change return value of appldata_asm() to -EOPNOTSUPP in case of an
error. The return value was only used internally and not passed to
user space.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/include/asm/appldata.h

@@ -70,7 +70,7 @@ static inline int appldata_asm(struct appldata_product_id *id,
 	int ry;
 
 	if (!MACHINE_IS_VM)
-		return -ENOSYS;
+		return -EOPNOTSUPP;
 	parm_list.diag = 0xdc;
 	parm_list.function = fn;
 	parm_list.parlist_length = sizeof(parm_list);