Merge pull request #6530 from dhalbert/restore-matrixportal-traceback

restore traceback to matrixportal build

Author: dhalbert

ports/atmel-samd/boards/matrixportal_m4/mpconfigboard.mk

@@ -15,7 +15,6 @@ CIRCUITPY_ONEWIREIO = 0
 CIRCUITPY_PARALLELDISPLAY = 0
 CIRCUITPY_SDCARDIO = 0
 CIRCUITPY_SHARPDISPLAY = 0
-CIRCUITPY_TRACEBACK = 0
 CIRCUITPY_ZLIB=0
 
 # Include these Python libraries in firmware.