xilinx_7series: add grade platform property.
authorwhitequark <whitequark@whitequark.org>
Thu, 10 Oct 2019 16:25:10 +0000 (16:25 +0000)
committerwhitequark <whitequark@whitequark.org>
Thu, 10 Oct 2019 16:33:00 +0000 (16:33 +0000)
commitbfd4538df0710703ee845c0747f5c4e05854013d
tree61659c74505e0cd0d389e4ea6b956ae156cdc20c
parentef741594b51d2ce2dd0d90d0acf8346b10384947
xilinx_7series: add grade platform property.

For some devices grade has to be omitted, so it is optional.
nmigen/vendor/xilinx_7series.py