bare-arm: Switch to use MICROPY_ERROR_REPORTING_NONE to reduce size.

Reduces size of this port by about 3300 bytes, and demonstrates how to use
this feature.

Signed-off-by: Damien George <damien@micropython.org>

ports/bare-arm/Makefile

@@ -5,7 +5,7 @@ include ../../py/mkenv.mk
 include $(TOP)/py/py.mk
 
 # Set makefile-level MicroPython feature configurations.
-MICROPY_ROM_TEXT_COMPRESSION ?= 1
+MICROPY_ROM_TEXT_COMPRESSION ?= 0
 
 # Define toolchain and other tools.
 CROSS_COMPILE ?= arm-none-eabi-

ports/bare-arm/README.md

@@ -18,4 +18,4 @@ compiled and executed when the firmware starts.  They produce output on the
 system's stdout.
 
 The size of the firmware (the machine code that is programmed to the
-microcontroller's flash/ROM) is currently around 61200 bytes.
+microcontroller's flash/ROM) is currently around 57900 bytes.

ports/bare-arm/mpconfigport.h

@@ -37,7 +37,7 @@
 
 // Python internal features
 #define MICROPY_ENABLE_EXTERNAL_IMPORT          (0)
-#define MICROPY_ERROR_REPORTING                 (MICROPY_ERROR_REPORTING_TERSE)
+#define MICROPY_ERROR_REPORTING                 (MICROPY_ERROR_REPORTING_NONE)
 #define MICROPY_CPYTHON_COMPAT                  (0)
 #define MICROPY_MODULE_GETATTR                  (0)
 #define MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG   (0)