testing ControllerMode = bredr

https://unix.stackexchange.com/questions/736933/what-is-the-bluetooth-controllermode-in-etc-bluetooth-main-conf-what-is-bredr
https://github.com/bluez/bluez/blob/master/src/main.conf
https://bbs.archlinux.org/viewtopic.php?id=270465

systems/muninn/default.nix

@@ -28,6 +28,7 @@
     bluetooth = {
       enable = true;
       powerOnBoot = true;
+      settings.General.ControllerMode = "bredr";
     };
     firmware = [ pkgs.sof-firmware ];
   };