Modification of lexer and parser, improving dtc portability.

This mod allows successful build of dtc using both bison/flex and yacc/lex.

Signed-off-by: Lukasz Wojcik <zbr@semihalf.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>

dtc-parser.y

@@ -18,14 +18,14 @@
  *                                                                   USA
  */
 
-%locations
-
 %{
 #include <stdio.h>
 
 #include "dtc.h"
 #include "srcpos.h"
 
+YYLTYPE yylloc;
+
 extern int yylex(void);
 extern void yyerror(char const *s);