fixup! frontend: disable branch prediction, mkII

src/frontend/frontend.sv

@@ -260,7 +260,7 @@ module frontend import ariane_pkg::*; #(
          if (enable_bp_i) begin
            instruction_really_valid[i] = instruction_valid[i];
          end else begin
-           instruction_really_valid[i] = instruction_really_valid[i] && !(has_speculative);
+           instruction_really_valid[i] = instruction_valid[i] && !(has_speculative);
          end
       end
     end