Adding license header to check_python_scripts.sh
Adding license header to check_python_scripts.sh

Signed-off-by: Tim 'mithro' Ansell <f857bf86f3aed4a1021a5247bd2399c65b7ad5cd@google.com>

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