Use glib memory allocation and free functions

qemu_malloc/qemu_free no longer exist after this commit.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/omap_synctimer.c b/hw/omap_synctimer.c
index 67f65e6..b47ca88 100644
--- a/hw/omap_synctimer.c
+++ b/hw/omap_synctimer.c
@@ -86,7 +86,7 @@
 struct omap_synctimer_s *omap_synctimer_init(struct omap_target_agent_s *ta,
                 struct omap_mpu_state_s *mpu, omap_clk fclk, omap_clk iclk)
 {
-    struct omap_synctimer_s *s = qemu_mallocz(sizeof(*s));
+    struct omap_synctimer_s *s = g_malloc0(sizeof(*s));
 
     omap_synctimer_reset(s);
     omap_l4_attach(ta, 0, l4_register_io_memory(