cobalt: fix deprecated vsprintf format specifier

kernel/cobalt/heap.c

@@ -114,7 +114,7 @@ static int vfile_show(struct xnvfile_snapshot_iterator *it, void *data)
 		xnvfile_printf(it, "%9s %9s  %s\n",
 			       "TOTAL", "FREE", "NAME");
 	else
-		xnvfile_printf(it, "%9Zu %9Zu  %s\n",
+		xnvfile_printf(it, "%9zu %9zu  %s\n",
 			       p->all_mem,
 			       p->free_mem,
 			       p->name);

kernel/cobalt/trace/cobalt-posix.h

@@ -370,7 +370,7 @@ TRACE_EVENT(cobalt_sched_setconfig,
 		__entry->policy = policy;
 		__entry->len = len;
 	),
-	TP_printk("cpu=%d policy=%d(%s) len=%Zu",
+	TP_printk("cpu=%d policy=%d(%s) len=%zu",
 		  __entry->cpu, __entry->policy,
 		  cobalt_print_sched_policy(__entry->policy),
 		  __entry->len)
@@ -882,7 +882,7 @@ TRACE_EVENT(cobalt_mq_send,
 		__entry->len = len;
 		__entry->prio = prio;
 	),
-	TP_printk("mqd=%d buf=%p len=%Zu prio=%u",
+	TP_printk("mqd=%d buf=%p len=%zu prio=%u",
 		  __entry->mqd, __entry->u_buf, __entry->len,
 		  __entry->prio)
 );
@@ -903,7 +903,7 @@ TRACE_EVENT(cobalt_mq_timedreceive,
 		__entry->len = len;
 		__assign_timespec(timeout, timeout);
 	),
-	TP_printk("mqd=%d buf=%p len=%Zu timeout=(%ld.%09ld)",
+	TP_printk("mqd=%d buf=%p len=%zu timeout=(%ld.%09ld)",
 		  __entry->mqd, __entry->u_buf, __entry->len,
 		  __timespec_args(timeout))
 );
@@ -921,7 +921,7 @@ TRACE_EVENT(cobalt_mq_receive,
 		__entry->u_buf = u_buf;
 		__entry->len = len;
 	),
-	TP_printk("mqd=%d buf=%p len=%Zu",
+	TP_printk("mqd=%d buf=%p len=%zu",
 		  __entry->mqd, __entry->u_buf, __entry->len)
 );
 

kernel/cobalt/trace/cobalt-rtdm.h

@@ -320,7 +320,7 @@ TRACE_EVENT(cobalt_fd_mmap,
 		__entry->flags = rma->flags;
 	),
 
-	TP_printk("device=%p fd=%d area={ len:%Zu, off:%Lu }"
+	TP_printk("device=%p fd=%d area={ len:%zu, off:%Lu }"
 		  " prot=%#x(%s) flags=%#x(%s) pid=%d comm=%s",
 		  __entry->dev, __entry->ufd, __entry->length,
 		  (unsigned long long)__entry->offset,