watchdog: fix a small number of "watchog" typos in comments

All typos in comments, should not affect functionality.

Signed-off-by: Robert P. J. Day <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
diff --git a/drivers/watchdog/via_wdt.c b/drivers/watchdog/via_wdt.c
index b085ef1..d56d0a9 100644
--- a/drivers/watchdog/via_wdt.c
+++ b/drivers/watchdog/via_wdt.c
@@ -30,7 +30,7 @@
 #define VIA_WDT_CONF_MMIO	0x02	/* 1: enable watchdog MMIO */
 
 /*
- * The MMIO region contains the watchog control register and the
+ * The MMIO region contains the watchdog control register and the
  * hardware timer counter.
  */
 #define VIA_WDT_MMIO_LEN	8	/* MMIO region length in bytes */
@@ -82,7 +82,7 @@ static inline void wdt_reset(void)
 /*
  * Timer tick: the timer will make sure that the watchdog timer hardware
  * is being reset in time. The conditions to do this are:
- *  1) the watchog timer has been started and /dev/watchdog is open
+ *  1) the watchdog timer has been started and /dev/watchdog is open
  *     and there is still time left before userspace should send the
  *     next heartbeat/ping. (note: the internal heartbeat is much smaller
  *     then the external/userspace heartbeat).