Added usage example to GP_PGA docs
Added usage example to GP_PGA docs

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