Add support for set-reset cell variants to opt_rmdff
Add support for set-reset cell variants to opt_rmdff

antmicro/yosys,antmicro/yosys,cliffordwolf/yosys,SymbiFlow/yosys,antmicro/yosys,antmicro/yosys,azonenberg/yosys,YosysHQ/yosys,azonenberg/yosys,swallat/yosys,swallat/yosys,swallat/yosys,cliffordwolf/yosys,azonenberg/yosys,YosysHQ/yosys,YosysHQ/yosys,azonenberg/yosys,azonenberg/yosys,cliffordwolf/yosys,SymbiFlow/yosys,cliffordwolf/yosys,SymbiFlow/yosys,cliffordwolf/yosys,YosysHQ/yosys,swallat/yosys,swallat/yosys,swallat/yosys,YosysHQ/yosys,swallat/yosys,azonenberg/yosys,cliffordwolf/yosys,azonenberg/yosys,azonenberg/yosys,antmicro/yosys,SymbiFlow/yosys,swallat/yosys,azonenberg/yosys,SymbiFlow/yosys,antmicro/yosys,cliffordwolf/yosys,cliffordwolf/yosys,YosysHQ/yosys,YosysHQ/yosys,SymbiFlow/yosys,swallat/yosys,cliffordwolf/yosys,SymbiFlow/yosys,YosysHQ/yosys,antmicro/yosys,antmicro/yosys,SymbiFlow/yosys