recover_adder_core: Fix bug with carry into XOR3 not into port C
recover_adder_core: Fix bug with carry into XOR3 not into port C

azonenberg/yosys,azonenberg/yosys,azonenberg/yosys,azonenberg/yosys,azonenberg/yosys,azonenberg/yosys,azonenberg/yosys,azonenberg/yosys,azonenberg/yosys