Fix code style errors.

Author: hugueskamba

drivers/Ethernet.h

@@ -62,11 +62,11 @@ namespace mbed {
  * @endcode
  */
 class
-MBED_DEPRECATED(
-    "EthInterface is now the preferred way to get an Ethernet object. "
-    "Alternatively, use NetworkInterface to get an instance of an appropriate network "
-    "interface (WiFi or Ethernet)."
-) Ethernet : private NonCopyable<Ethernet> {
+    MBED_DEPRECATED(
+        "EthInterface is now the preferred way to get an Ethernet object. "
+        "Alternatively, use NetworkInterface to get an instance of an appropriate network "
+        "interface (WiFi or Ethernet)."
+    ) Ethernet : private NonCopyable<Ethernet> {
 
 public:
 

drivers/SPI.h

@@ -117,7 +117,7 @@ class SPI : private NonCopyable<SPI> {
      */
     SPI(PinName mosi, PinName miso, PinName sclk, PinName ssel = NC) :
 #if DEVICE_SPI_ASYNCH
-       _irq(this),
+        _irq(this),
 #endif
         _mosi(mosi),
         _miso(miso),
@@ -274,9 +274,9 @@ class SPI : private NonCopyable<SPI> {
      */
     void clear_transfer_buffer()
     {
-    #if TRANSACTION_QUEUE_SIZE_SPI
+#if TRANSACTION_QUEUE_SIZE_SPI
         _peripheral->transaction_buffer->reset();
-    #endif
+#endif
     }
 
     /** Clear the queue of transfers and abort the on-going transfer.

drivers/Serial.h

@@ -87,7 +87,7 @@ class Serial : public SerialBase, public Stream, private NonCopyable<Serial> {
      *  @note
      *    Either tx or rx may be specified as NC (Not Connected) if unused
      */
-    Serial(PinName tx, PinName rx,int baud) : SerialBase(tx, rx, baud), Stream(NULL)
+    Serial(PinName tx, PinName rx, int baud) : SerialBase(tx, rx, baud), Stream(NULL)
     {
     }
 

drivers/internal/TimerEvent.h

@@ -38,7 +38,7 @@ class TimerEvent : private NonCopyable<TimerEvent> {
     TimerEvent();
 
     TimerEvent(const ticker_data_t *data)
-     : event(), _ticker_data(data)
+        : event(), _ticker_data(data)
     {
         ticker_set_handler(_ticker_data, (&TimerEvent::irq));
     }