tcl: Move Altera configs into vendor folder
tcl/fpga: Move Xilinx utility files into vendor folder
tcl/fpga/xlnx: Explicitly select JTAG as transport
tcl: Move Xilinx configs into vendor folder
tcl/fpga: Move Gowin configs into vendor folder
tcl/fpga: Move Efinix configs into vendor folder
tcl/fpga: Move Lattice configs into vendor folder
doc: Fix virtex2 'pld load' example usage