Use configurable virtex pld driver to add support for more
xilinx fpga families.
Change-Id: Iff10c8c511787734fa289bdba15f03131d51e071
Signed-off-by: Daniel Anselmi <danselmi@gmx.ch>
Reviewed-on: https://review.openocd.org/c/openocd/+/7352
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Tested-by: jenkins