a script to fail the make if timing was not met

Change-Id: I3a0017e6ed70724ff92ea17951d379857f46da54
fail the build if timing was not met

Change-Id: Iadca164622a991f236578f153cacbd4abbf29840
restructure Zc706Top.bsv to match ZynqTop.bsv

Change-Id: Idd3fb250673963a4728a92aaff40236a15ff8815