unix/mpconfigport_dev.h: Enable MICROPY_WARNINGS_CATEGORY.
#define MICROPY_ENABLE_DOC_STRING (1)
#define MICROPY_ENABLE_SCHEDULER (1)
#define MICROPY_READER_VFS (1)
+#define MICROPY_WARNINGS_CATEGORY (1)
#define MICROPY_WARNINGS_LOC (1)
#define MICROPY_MODULE_GETATTR (1)
#define MICROPY_PY_DELATTR_SETATTR (1)
