watchdog: make Siemens Simatic watchdog driver default on platform

If a user did choose to enable Siemens Simatic platform support they
likely want that driver to be enabled without having to flip more config
switches. So we make the watchdog driver config switch default to the
platform driver switches value.
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230719153518.13073-2-henning.schild@siemens.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>

drivers/watchdog/Kconfig

@@ -1681,6 +1681,7 @@ config NIC7018_WDT
 config SIEMENS_SIMATIC_IPC_WDT
 	tristate "Siemens Simatic IPC Watchdog"
 	depends on SIEMENS_SIMATIC_IPC
+	default y
 	select WATCHDOG_CORE
 	select P2SB
 	help