Upstream: integrate minor cleanups

Change-Id: I8de8e1044794f0ef8427717fc0b3b5e9e121247b
diff --git a/console.h b/console.h
index 9222115..c4baf10 100644
--- a/console.h
+++ b/console.h
@@ -83,6 +83,7 @@
 
 #define QEMU_BIG_ENDIAN_FLAG    0x01
 #define QEMU_ALLOCATED_FLAG     0x02
+#define QEMU_REALPIXELS_FLAG    0x04
 
 struct PixelFormat {
     uint8_t bits_per_pixel;