Add MODULE_DEVICE_TABLE(), so the module could be properly autoloaded
based on the alias from of_device_id table. Pin controllers are
considered core components, so usually they are built-in, however these
can be built and used as modules on some generic kernel.
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>