put back some dynossat_edu_obc pins

Author: dhalbert

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

@@ -23,16 +23,11 @@
 // USB is always used internally so skip the pin objects for it.
 #define IGNORE_PIN_PA24     1
 #define IGNORE_PIN_PA25     1
-#define IGNORE_PIN_PA02     1
 #define IGNORE_PIN_PA13     1
 #define IGNORE_PIN_PA14     1
-#define IGNORE_PIN_PA20     1
-#define IGNORE_PIN_PA21     1
 #define IGNORE_PIN_PA27     1
-#define IGNORE_PIN_PB00     1
 #define IGNORE_PIN_PB04     1
 #define IGNORE_PIN_PB05     1
-#define IGNORE_PIN_PB16     1
 #define IGNORE_PIN_PB17     1
 #define IGNORE_PIN_PB23     1
 #define IGNORE_PIN_PB31     1