scons: cleanup defines

SConscript.firmware

@@ -1,5 +1,7 @@
 # pylint: disable=E0602
 
+import os
+
 CCFLAGS_MOD = ''
 CPPPATH_MOD = []
 CPPDEFINES_MOD = []
@@ -299,7 +301,7 @@ SOURCE_PY.extend(Glob('src/*/*/*/*.py'))
 SOURCE_PY.extend(Glob('src/*/*/*/*/*.py'))
 SOURCE_PY_DIR = 'src/'
 
-env = Environment()
+env = Environment(ENV=os.environ)
 
 env.Tool('micropython')
 
@@ -336,12 +338,10 @@ env.Replace(
         'vendor/micropython/lib/cmsis/inc',
     ] + CPPPATH_MOD,
     CPPDEFINES=[
-        'MICROPY_MODULE_FROZEN_MPY',
-        ('MICROPY_QSTR_EXTRA_POOL', 'mp_qstr_frozen_const_pool'),
-        ('STM32_HAL_H', '"<stm32f4xx_hal.h>"'),
-        'STM32F405xx',
         'TREZOR_STM32',
         'MCU_SERIES_F4',
+        'STM32F405xx',
+        ('STM32_HAL_H', '"<stm32f4xx_hal.h>"'),
     ] + CPPDEFINES_MOD,
     ASPPFLAGS='$CFLAGS $CCFLAGS', )
 

SConscript.unix

@@ -251,22 +251,19 @@ env.Replace(
         'vendor/micropython/lib/mp-readline',
     ] + CPPPATH_MOD,
     CPPDEFINES=[
-        'MICROPY_USE_READLINE',
-        'TREZOR_UNIX',
         'UNIX',
+        'TREZOR_UNIX',
+        'MICROPY_USE_READLINE',
         ('MP_CONFIGFILE', '\\"embed/unix/mpconfigport.h\\"'),
     ] + CPPDEFINES_MOD,
     ASPPFLAGS='$CFLAGS $CCFLAGS', )
 
 env.Replace(
     PYTHON='python',
-    PYTHONPATH='vendor/micropython/py',
-    MAKEQSTRDEFS='$PYTHON vendor/micropython/py/makeqstrdefs.py',
     MAKEQSTRDATA='$PYTHON vendor/micropython/py/makeqstrdata.py',
     MAKEVERSIONHDR='$PYTHON vendor/micropython/py/makeversionhdr.py',
-    MPY_CROSS='vendor/micropython/mpy-cross/mpy-cross',
     MPY_TOOL='$PYTHON vendor/micropython/tools/mpy-tool.py',
-    MAKE_FROZEN='$PYTHON vendor/micropython/tools/make-frozen.py', )
+    MPY_CROSS='vendor/micropython/mpy-cross/mpy-cross', )
 
 #
 # Micropython version

embed/firmware/mpconfigport.h

@@ -31,6 +31,10 @@
 #ifndef __INCLUDED_MPCONFIGPORT_H
 #define __INCLUDED_MPCONFIGPORT_H
 
+// frozen modules
+#define MICROPY_MODULE_FROZEN_MPY   (1)
+#define MICROPY_QSTR_EXTRA_POOL     (mp_qstr_frozen_const_pool)
+
 // memory allocation policies
 #define MICROPY_ALLOC_PATH_MAX      (128)