Turn off audiobusio on Hallowing to free rom

tannewt · tannewt · commit ef23ffe58427 · 2019-04-09T12:01:00.000-07:00
It is about 5kb and the pins aren't broken out for it anyway.
diff --git a/ports/atmel-samd/boards/hallowing_m0_express/mpconfigboard.mk b/ports/atmel-samd/boards/hallowing_m0_express/mpconfigboard.mk
@@ -12,6 +12,7 @@ LONGINT_IMPL = MPZ
 # To keep the build small
 CIRCUITPY_I2CSLAVE = 0
 CIRCUITPY_FREQUENCYIO = 0
+CIRCUITPY_AUDIOBUSIO = 0
 
 CFLAGS_INLINE_LIMIT = 50
 
