Fix `CLASS` for fill_diode LEF files.

Fix `CLASS` for fill_diode LEF files.

Improve diode LEF files.

Improve diode LEF files.

lef: Fixing VNB/VPB properties in .magic.lef files.

lef: Fixing VNB/VPB properties in .magic.lef files.

verilog: Fixing power pins usage in non-powerpin mode.

verilog: Fixing power pins usage in non-powerpin mode.

cdl: Fixing missing terminals.

cdl: Fixing missing terminals.

verilog: Fixing ordering of ports in primitives.

verilog: Fixing ordering of ports in primitives.

verilog: Fixing usage of cell reserved word.

verilog: Fixing usage of cell reserved word.

verilog: Fixing include path.