gpio: cros-ec: provide ID table for avoiding fallback match

Instead of using fallback driver name match, provide ID table[1] for the
primary match.  Also allow automatic module loading by adding
MODULE_DEVICE_TABLE().

[1]: https://elixir.bootlin.com/linux/v6.8/source/drivers/base/platform.c#L1353



Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>