fix basys3 example
authorjapm48 <japm48@users.noreply.github.com>
Sun, 22 Jul 2018 20:29:31 +0000 (22:29 +0200)
committerjapm48 <japm48@users.noreply.github.com>
Sun, 22 Jul 2018 20:29:31 +0000 (22:29 +0200)
commitbeedaa58561eb7cabf24e0d267beb77d5c78ef1d
treefb824f65a86f56b1922416ce3f3d95187007d095
parente275692e84c935d0cdf42c2a4adf7ac949a88132
fix basys3 example

Added `CONFIG_VOLTAGE` and `CFGBVS` to constraints file
to avoid warning `DRC 23-20`.

Added `open_hw` needed for programming.
examples/basys3/example.xdc
examples/basys3/run_prog.tcl