Renamed nets from VDD to VPWR

scripts/cells.pl

diff --git a/scripts/cells.pl b/scripts/cells.pl
index 1f53983..70b8fa9 100755
--- a/scripts/cells.pl
+++ b/scripts/cells.pl
@@ -56,8 +56,8 @@
   }
   close CELL;
   print "     \`ifdef USE_POWER_PINS\n";
-  print "	inout vdd, // cell power supply\n";
-  print "	inout gnd  // cell ground supply\n";
+  print "	inout VPWR, // cell power supply\n";
+  print "	inout VGND  // cell ground supply\n";
   print "     \`endif\n";
   print ");\n";
   print "endmodule\n\n";

scripts/generator.pl

diff --git a/scripts/generator.pl b/scripts/generator.pl
index 690a261..394d283 100755
--- a/scripts/generator.pl
+++ b/scripts/generator.pl
@@ -73,8 +73,8 @@
   open CELL,"<$cell";
   print "$name $name(\n";
   print " `ifdef USE_POWER_PINS\n";
-  print "  \.vdd(vccd1),\n"; # ??? Should we do 3.3V or 1.8V ?
-  print "  \.gnd(vssd1),\n";
+  print "  \.VPWR(vccd1),\n"; # ??? Should we do 3.3V or 1.8V ?
+  print "  \.VGND(vssd1),\n";
   print " `endif\n";