Integrate linux-seco-imx/seco_lf-5.10.y_develop_ectrl_stm32_wdt_interface

Commit: clea-os/bsp/nxp/linux-seco-imx@32abd699

[DRIVER] seco: ectrl_stm32: add watchdog interface

Added watchdog API to the driver, so it will also be registered as /dev/wachdog device.

Signed-off-by: Mikhail Vanyulin mikhail.vanyulin@rtsoft.de