Merge pull request #731 from Gerriko/patch-1

Update pins_arduino.h to correct PIN_CAN0_RX

Author: facchinm

variants/GIGA/pins_arduino.h

@@ -266,7 +266,7 @@ void _ontouch1200bps_();
 #define CAN_HOWMANY       2
 
 #define PIN_CAN0_TX       (PB_13)
-#define PIN_CAN0_RX       (PB_12)
+#define PIN_CAN0_RX       (PB_5)
 
 #define PIN_CAN1_TX       (PH_13)
 #define PIN_CAN1_RX       (PB_8)