platform/chrome: Add struct ec_response_get_next_event_v3

Add struct ec_response_get_next_event_v3 to upgrade
EC_CMD_GET_NEXT_EVENT to version 3.

Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Link: https://lore.kernel.org/r/20240604170552.2517189-1-dnojiri@chromium.org


Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>