We add a BANDGAP primitive used to turn off power to OSC, PLL and other things on some GOWIN chips. We also mark this primitive and GSR as keep. Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
Use selected data (names, ports and parameters) from vendor file for GW1N series primitives. Signed-off-by: YRabbit <rabbit@yrabbit.cyou>