aio / timers: Rearrange timer.h & make legacy functions call non-legacy

Rearrange timer.h so it is in order by function type.

Make legacy functions call non-legacy functions rather than vice-versa.

Convert cpus.c to use new API.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/savevm.c b/savevm.c
index 38c3093..cad6ba6 100644
--- a/savevm.c
+++ b/savevm.c
@@ -979,7 +979,7 @@
 
 /* timer */
 
-void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
+void timer_put(QEMUFile *f, QEMUTimer *ts)
 {
     uint64_t expire_time;
 
@@ -987,7 +987,7 @@
     qemu_put_be64(f, expire_time);
 }
 
-void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
+void timer_get(QEMUFile *f, QEMUTimer *ts)
 {
     uint64_t expire_time;
 
@@ -1339,14 +1339,14 @@
 static int get_timer(QEMUFile *f, void *pv, size_t size)
 {
     QEMUTimer *v = pv;
-    qemu_get_timer(f, v);
+    timer_get(f, v);
     return 0;
 }
 
 static void put_timer(QEMUFile *f, void *pv, size_t size)
 {
     QEMUTimer *v = pv;
-    qemu_put_timer(f, v);
+    timer_put(f, v);
 }
 
 const VMStateInfo vmstate_info_timer = {