README: note the vivado version requirements
authorWesley W. Terpstra <wesley@sifive.com>
Fri, 3 Nov 2017 19:53:00 +0000 (12:53 -0700)
committerWesley W. Terpstra <wesley@sifive.com>
Fri, 3 Nov 2017 23:10:41 +0000 (16:10 -0700)
commite1673b86705f0fc3f812a46bd08c4ae7ff054fa3
tree51f6fab561f270f1e6e0e5bb326250866a2fd838
parent4297b224729d400468ac11cc19da2a20bd8a7dca
README: note the vivado version requirements
README.md