pybricks: memoryview in extra_level2.

This class is useful for rfcomm communication,
specifically the readinto function.

Author: jaguilar

bricks/_common/mpconfigport.h

@@ -71,7 +71,7 @@
 #define MICROPY_MULTIPLE_INHERITANCE            (0)
 #define MICROPY_PY_ARRAY                        (0)
 #define MICROPY_PY_BUILTINS_BYTEARRAY           (PYBRICKS_OPT_EXTRA_LEVEL1)
-#define MICROPY_PY_BUILTINS_MEMORYVIEW          (0)
+#define MICROPY_PY_BUILTINS_MEMORYVIEW          (PYBRICKS_OPT_EXTRA_LEVEL2)
 #define MICROPY_PY_BUILTINS_ENUMERATE           (PYBRICKS_OPT_EXTRA_LEVEL1)
 #define MICROPY_PY_BUILTINS_FILTER              (0)
 #define MICROPY_PY_BUILTINS_FROZENSET           (0)