Make getpass and traceback full build only

This leaves much more space on SAMD21 builds that aren't "full builds".
These are new APIs that we don't need to add to old boards.

Also, tweak two Arduino boards to save space on them.

Author: tannewt

ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.h

@@ -16,3 +16,16 @@
 // USB is always used internally so skip the pin objects for it.
 #define IGNORE_PIN_PA24     1
 #define IGNORE_PIN_PA25     1
+// USD ID
+#define IGNORE_PIN_PA18     1
+
+// Hooked to the external crystal
+#define IGNORE_PIN_PA00     1
+#define IGNORE_PIN_PA01     1
+
+// SWD only
+#define IGNORE_PIN_PA30     1
+#define IGNORE_PIN_PA31     1
+
+// Not connected
+#define IGNORE_PIN_PA28     1

ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.h

@@ -16,3 +16,11 @@
 // USB is always used internally so skip the pin objects for it.
 #define IGNORE_PIN_PA24     1
 #define IGNORE_PIN_PA25     1
+
+// Not connected
+#define IGNORE_PIN_PA00     1
+#define IGNORE_PIN_PA01     1
+
+// SWD only
+#define IGNORE_PIN_PA30     1
+#define IGNORE_PIN_PA31     1

py/circuitpy_mpconfig.mk

@@ -190,7 +190,7 @@ CFLAGS += -DCIRCUITPY_FREQUENCYIO=$(CIRCUITPY_FREQUENCYIO)
 CIRCUITPY_GAMEPADSHIFT ?= 0
 CFLAGS += -DCIRCUITPY_GAMEPADSHIFT=$(CIRCUITPY_GAMEPADSHIFT)
 
-CIRCUITPY_GETPASS ?= 1
+CIRCUITPY_GETPASS ?= $(CIRCUITPY_FULL_BUILD)
 CFLAGS += -DCIRCUITPY_GETPASS=$(CIRCUITPY_GETPASS)
 
 CIRCUITPY_GNSS ?= 0
@@ -336,7 +336,7 @@ CFLAGS += -DCIRCUITPY_TOUCHIO_USE_NATIVE=$(CIRCUITPY_TOUCHIO_USE_NATIVE)
 CIRCUITPY_TOUCHIO ?= 1
 CFLAGS += -DCIRCUITPY_TOUCHIO=$(CIRCUITPY_TOUCHIO)
 
-CIRCUITPY_TRACEBACK ?= 1
+CIRCUITPY_TRACEBACK ?= $(CIRCUITPY_FULL_BUILD)
 CFLAGS += -DCIRCUITPY_TRACEBACK=$(CIRCUITPY_TRACEBACK)
 
 # For debugging.