greenpak4: Voltage reference now reports errors on invalid configuration
greenpak4: Voltage reference now reports errors on invalid configuration

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