Fix include paths in core

Author: facchinm

cores/arduino/Arduino.h

@@ -35,10 +35,10 @@
 #define F Mbed_F
 #endif // !ARDUINO_AS_MBED_LIBRARY
 #include "mbed_config.h"
-#include "mbed/drivers/InterruptIn.h"
-#include "mbed/drivers/PwmOut.h"
-#include "mbed/drivers/AnalogIn.h"
-#include "mbed/drivers/DigitalInOut.h"
+#include "drivers/InterruptIn.h"
+#include "drivers/PwmOut.h"
+#include "drivers/AnalogIn.h"
+#include "drivers/DigitalInOut.h"
 #include "mbed.h"
 #undef F
 #endif //__cplusplus

cores/arduino/Serial.h

@@ -23,7 +23,7 @@
 #include "api/RingBuffer.h"
 #include "Arduino.h"
 #include "api/HardwareSerial.h"
-#include "mbed/drivers/UnbufferedSerial.h"
+#include "drivers/UnbufferedSerial.h"
 
 #ifdef __cplusplus
 

cores/arduino/USB/PluggableUSBSerial.h

@@ -21,7 +21,7 @@
 #include "Arduino.h"
 #include "USBCDC.h"
 #include "platform/Stream.h"
-#include "mbed/rtos/rtos.h"
+#include "rtos/rtos.h"
 #include "Callback.h"
 
 /**

cores/arduino/wiring.cpp

@@ -21,10 +21,10 @@
 */
 
 #include "wiring_private.h"
-#include "mbed/drivers/LowPowerTimer.h"
-#include "mbed/drivers/Timer.h"
-#include "mbed/rtos/rtos.h"
-#include "mbed/platform/mbed_wait_api.h"
+#include "drivers/LowPowerTimer.h"
+#include "drivers/Timer.h"
+#include "rtos/rtos.h"
+#include "platform/mbed_wait_api.h"
 
 #if DEVICE_LPTICKER
 static mbed::LowPowerTimer t;

cores/arduino/wiring_analog.cpp

@@ -22,13 +22,13 @@
 
 #include "Arduino.h"
 #include "pins_arduino.h"
-#include "mbed/drivers/AnalogIn.h"
+#include "drivers/AnalogIn.h"
 
 static int write_resolution = 8;
 static int read_resolution = 10;
 
 #if DEVICE_ANALOGOUT
-#include "mbed/drivers/AnalogOut.h"
+#include "drivers/AnalogOut.h"
 mbed::AnalogOut* dac = NULL;
 void analogWriteDAC(PinName pin, int val) {
   if (dac == NULL) {