tree cc54f2a3e306fc63836016b54dd4a77da26d7b7a
parent c2299c8972e0cd22641d7d3b8e0bf7c19a42c3cb
author Sean Cross <sean@xobs.io> 1568691164 +0800
committer Sean Cross <sean@xobs.io> 1568691164 +0800

ecp5: add support for PREGENERATED_BBA_PATH

Support pre-generated bba files to speed up compiling on Windows
and get it compiling on Darwin.

Signed-off-by: Sean Cross <sean@xobs.io>