Additional board revisions

Author: calcinai

src/PHPi/Factory.php

@@ -66,6 +66,8 @@ public static function create(LoopInterface $loop = null)
                 return new Board\V1\APlus($loop);
             case 'a01040':
             case 'a01041':
+            case '1a01041': //Is this an overvoltage bit?
+            case '2a01041': //and this?
             case 'a21041':
             case 'a22042':
                 return new Board\V2\B($loop);

src/PHPi/Peripheral/Register/AbstractRegister.php

@@ -64,6 +64,7 @@ public function __destruct()
     }
 
     /**
+     *
      * This is to facilitate registers that have a way of direct (unprivileged) access, eg the /dev/gpiomem
      *
      * @return null