include TinyUSB header for builtin libraries if selected

Author: hathach

libraries/SAMD_AnalogCorrection/src/SAMD_AnalogCorrection.cpp

@@ -19,6 +19,11 @@
 
 #include "SAMD_AnalogCorrection.h"
 
+#ifdef USE_TINYUSB
+// For Serial when selecting TinyUSB
+#include <Adafruit_TinyUSB.h>
+#endif
+
 void analogReadCorrection (int offset, uint16_t gain)
 {
   Adc *adc;

libraries/SPI/SPI.cpp

@@ -22,6 +22,11 @@
 #include <wiring_private.h>
 #include <assert.h>
 
+#ifdef USE_TINYUSB
+// For Serial when selecting TinyUSB
+#include <Adafruit_TinyUSB.h>
+#endif
+
 #define SPI_IMODE_NONE   0
 #define SPI_IMODE_EXTINT 1
 #define SPI_IMODE_GLOBAL 2

libraries/Wire/Wire.cpp

@@ -24,6 +24,11 @@ extern "C" {
 #include <Arduino.h>
 #include <wiring_private.h>
 
+#ifdef USE_TINYUSB
+// For Serial when selecting TinyUSB
+#include <Adafruit_TinyUSB.h>
+#endif
+
 #include "Wire.h"
 
 TwoWire::TwoWire(SERCOM * s, uint8_t pinSDA, uint8_t pinSCL)