greenpak4: added TODO comment for future routing changes
greenpak4: added TODO comment for future routing changes

azonenberg/openfpga,rqou/openfpga,azonenberg/openfpga,rqou/openfpga,azonenberg/openfpga,rqou/openfpga,azonenberg/openfpga,rqou/openfpga,azonenberg/openfpga,rqou/openfpga