dtc: data.c doesn't need to include dtc-parser.tab.h

Presumably we used this #include once, but it's certainly not
necessary now.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

data.c

@@ -19,7 +19,6 @@
  */
 
 #include "dtc.h"
-#include "dtc-parser.tab.h"
 
 void fixup_free(struct fixup *f)
 {