MAINTAINERS: Update the maintainer of StarFive watchdog driver

Samin quits maintaining the StarFive watchdog driver and Ziv joins instead.
Update the maintainer of this driver from Samin to Ziv.

Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240927065032.2773997-1-xingyu.wu@starfivetech.com


Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>