tree bb4f5d27290879a7a099cf7e96a331aa86c374d5
parent e139b98acae32a0460a659dcd85d83ef735fa601
author Rick Altherr <kc8apf@kc8apf.net> 1516663428 -0800
committer Rick Altherr <kc8apf@kc8apf.net> 1516663428 -0800

Use .bit and .bin consistently

Xilinx uses .bit for bitstreams that include an additional header that
appears to carry some build information (tool version, date built, etc).
For bitstreams without that header, they use .bin.

Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>