Address ARMCC warnings and make sure targets have SPI and InterruptIn in PN512SPITransportDriver

Author: Donatien Garnier

features/nfc/acore/acore/ac_debug.h

@@ -38,4 +38,4 @@
 #define ACORE_STDIO_PRINT(...) printf(__VA_ARGS__)
 #endif
 
-#endif
+#endif

features/nfc/controllers/PN512Driver.h

@@ -39,7 +39,7 @@ class PN512Driver : public NFCControllerDriver, private PN512TransportDriver::De
 
 private:
     // PN512TransportDriver::Delegate implementation
-    void on_hw_interrupt();
+    virtual void on_hw_interrupt();
 
     PN512TransportDriver *_transport_driver;
     pn512_t _pn512;

features/nfc/source/controllers/PN512SPITransportDriver.cpp

@@ -14,6 +14,10 @@
  * limitations under the License.
  */
 
+#include "platform/platform.h"
+
+#if (defined (DEVICE_SPI) && defined (DEVICE_INTERRUPTIN)) || defined(DOXYGEN_ONLY)
+
 #include "PN512SPITransportDriver.h"
 
 #include "stack/transceiver/transceiver.h"
@@ -109,3 +113,5 @@ void PN512SPITransportDriver::s_transport_read(uint8_t address, uint8_t *inBuf,
     PN512SPITransportDriver *self = (PN512SPITransportDriver *)pUser;
     self->transport_read(address, inBuf, inLen);
 }
+
+#endif