Change Nano32 SS to 5 (espressif#41)

Author: H-LK

Diff for: variants/nano32/pins_arduino.h

@@ -14,9 +14,9 @@
 static const uint8_t SDA = 21;
 static const uint8_t SCL = 22;
 
-static const uint8_t SS    = 2;
+static const uint8_t SS    = 5;
 static const uint8_t MOSI  = 23;
 static const uint8_t MISO  = 19;
 static const uint8_t SCK   = 18;
 
-#endif /* Pins_Arduino_h */
+#endif /* Pins_Arduino_h */