vl: extract softmmu/datadir.c

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/alpha/dp264.c b/hw/alpha/dp264.c
index c4d407a..c8e300d 100644
--- a/hw/alpha/dp264.c
+++ b/hw/alpha/dp264.c
@@ -21,6 +21,7 @@
 #include "hw/dma/i8257.h"
 #include "net/net.h"
 #include "qemu/cutils.h"
+#include "qemu/datadir.h"
 #include "net/net.h"
 
 #define MAX_IDE_BUS 2