corrections in plocHandler, endianness

mission/devices/PlocHandler.h

@@ -65,6 +65,11 @@ private:
 
     uint8_t commandBuffer[PLOC::MAX_COMMAND_SIZE];
 
+    /**
+     * This object counts takes the subsequence count of the PLOC space packets.
+     */
+    uint16_t subsequenceCount = 0;
+
     /**
      * This variable is used to store the id of the next reply to receive. This is necessary
      * because the PLOC sends as reply to each command at least one acknowledgment and execution