Added Power-Pin handling
diff --git a/scripts/cells.pl b/scripts/cells.pl
index f526aba..5f9f15e 100644
--- a/scripts/cells.pl
+++ b/scripts/cells.pl
@@ -53,8 +53,10 @@
 
   }
   close CELL;
+  print "     \`ifdef USE_POWER_PINS\n";
   print "	inout vdd, // cell power supply\n";
   print "	inout gnd  // cell ground supply\n";
+  print "     \'endif\n";
   print ");\n";
   print "endmodule\n\n";
 }