segmath: fixup inverted logic for --exclude_known
segmath: fixup inverted logic for --exclude_known

Skip tags and bits if they are _found_ in the excluded sets.

Signed-off-by: Rick Altherr <8d1509bf509ebdf080240b52ca7c44886e3b1782@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <57310ee00039176189a7bd7b876cda4d0d2a19aa@mithis.com>


SymbiFlow/prjxray,SymbiFlow/prjxray,SymbiFlow/prjxray,SymbiFlow/prjxray,SymbiFlow/prjxray