Added commented c_tech_arria10.

libraries/technology/technology_select_pkg.vhd

@@ -31,5 +31,6 @@ USE work.technology_pkg.ALL;
 PACKAGE technology_select_pkg IS
 
   CONSTANT c_tech_select_default : INTEGER := c_tech_stratixiv;
+  --CONSTANT c_tech_select_default : INTEGER := c_tech_arria10;
   
 END technology_select_pkg;