hw/display: Clean up includes

Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1453832250-766-21-git-send-email-peter.maydell@linaro.org
diff --git a/hw/display/ssd0323.c b/hw/display/ssd0323.c
index 7545da8..14c1bf3 100644
--- a/hw/display/ssd0323.c
+++ b/hw/display/ssd0323.c
@@ -10,6 +10,7 @@
 /* The controller can support a variety of different displays, but we only
    implement one.  Most of the commends relating to brightness and geometry
    setup are ignored. */
+#include "qemu/osdep.h"
 #include "hw/ssi/ssi.h"
 #include "ui/console.h"