linux-imx

watchdog: cadence_wdt: Fix the suspend resume

Currently even if no users are there the suspend tries to
stop the watchdog and resume starts it.

so after resume the watchdog starts and resets the board.
Fix the same by adding a check for users.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>