platform/x86/siemens: simatic-ipc: add new models BX-56A/BX-59A

This adds support for the Siemens Simatic IPC models BX-56A/BX-59A,
led/watchdog/battery on these models are same, actual drivers for
models will be sent in separate patches.

Signed-off-by: xingtong.wu <xingtong.wu@siemens.com>
Link: https://lore.kernel.org/r/20230731071424.4663-2-xingtong_wu@163.com


Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>