watchdog: ath79_wdt: flush register writes

The watchdog register writes required to have a flush
in order to commit the values to the register. Without
the flush, the driver not function correctly on AR934X
SoCs.

Signed-off-by: Gabor Juhos <[email protected]>
Acked-by: Luis R. Rodriguez <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
1 file changed