ieee1394: replace a GFP_ATOMIC by GFP_KERNEL allocation

All callers of hpsb_register_addrspace() can sleep.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

drivers/ieee1394/highlevel.c

@@ -420,7 +420,7 @@ int hpsb_register_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host,
 		return 0;
 	}
 
-	as = kmalloc(sizeof(*as), GFP_ATOMIC);
+	as = kmalloc(sizeof(*as), GFP_KERNEL);
 	if (!as)
 		return 0;