watchdog: pnx833x_wdt: Mark as broken

pnx833x_wdt does not compile if enabled. Bit operations expect an unsigned
long as argument. If that is fixed, the build still fails because put_user,
get_user, and copy_to_user are undefined.

Mark it as broken.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index e20eb42..8c8b6f6 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -1401,6 +1401,7 @@
 config PNX833X_WDT
 	tristate "PNX833x Hardware Watchdog"
 	depends on SOC_PNX8335
+	depends on BROKEN
 	help
 	  Hardware driver for the PNX833x's watchdog. This is a
 	  watchdog timer that will reboot the machine after a programmable