Fix the astyle issue

Author: rajkan01

drivers/CAN.h

@@ -300,7 +300,7 @@ class CAN : private NonCopyable<CAN> {
      *  @param type Which CAN interrupt to attach the member function to (CAN::RxIrq for message received, CAN::TxIrq for transmitted or aborted, CAN::EwIrq for error warning, CAN::DoIrq for data overrun, CAN::WuIrq for wake-up, CAN::EpIrq for error passive, CAN::AlIrq for arbitration lost, CAN::BeIrq for bus error)
      */
     void attach(Callback<void()> func, IrqType type = RxIrq);
-    
+
     static void _irq_handler(uint32_t id, CanIrqType type);
 
 #if !defined(DOXYGEN_ONLY)