Merge pull request #9706 from dhalbert/i2c-del

add __del__() to busio.I2C, which now has a finaliser

Author: tannewt

shared-bindings/busio/I2C.c

@@ -379,6 +379,7 @@ MP_DEFINE_CONST_FUN_OBJ_KW(busio_i2c_writeto_then_readfrom_obj, 1, busio_i2c_wri
 static const mp_rom_map_elem_t busio_i2c_locals_dict_table[] = {
     #if CIRCUITPY_BUSIO_I2C
     { MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&busio_i2c_deinit_obj) },
+    { MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&busio_i2c_deinit_obj) },
     { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
     { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&busio_i2c___exit___obj) },
     { MP_ROM_QSTR(MP_QSTR_probe), MP_ROM_PTR(&busio_i2c_probe_obj) },