ignore some pins to reclaim flash space

Author: jepler

ports/atmel-samd/boards/feather_m0_express/mpconfigboard.h

@@ -27,6 +27,17 @@
 #define DEFAULT_UART_BUS_RX (&pin_PA11)
 #define DEFAULT_UART_BUS_TX (&pin_PA10)
 
+// Other some pins that do not appear in the pinout & are not used internally
+// this list is not (yet) exhaustive
+#define IGNORE_PIN_PA03     1
+#define IGNORE_PIN_PB01     1
+#define IGNORE_PIN_PB03     1
+#define IGNORE_PIN_PB04     1
+#define IGNORE_PIN_PB05     1
+#define IGNORE_PIN_PB06     1
+#define IGNORE_PIN_PB07     1
+#define IGNORE_PIN_PB12     1
+
 // USB is always used internally so skip the pin objects for it.
 #define IGNORE_PIN_PA24     1
 #define IGNORE_PIN_PA25     1