char: rename qemu_chr_open() -> qemu_chr_new()

Signed-off-by: Anthony Liguori <[email protected]>
diff --git a/hw/omap2.c b/hw/omap2.c
index e32cd94..7e5820a 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -782,7 +782,7 @@
     s->irq = irq;
     omap_sti_reset(s);
 
-    s->chr = chr ?: qemu_chr_open("null", "null", NULL);
+    s->chr = chr ?: qemu_chr_new("null", "null", NULL);
 
     iomemtype = l4_register_io_memory(omap_sti_readfn,
                     omap_sti_writefn, s);