watchdog: dw_wdt: Fix comment typo

The double `have' is duplicated in the comment, remove one.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220716041951.34714-1-wangborong@cdjrlc.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/dw_wdt.c

@@ -218,7 +218,7 @@ static int dw_wdt_set_timeout(struct watchdog_device *wdd, unsigned int top_s)
 
 	/*
 	 * Set the new value in the watchdog.  Some versions of dw_wdt
-	 * have have TOPINIT in the TIMEOUT_RANGE register (as per
+	 * have TOPINIT in the TIMEOUT_RANGE register (as per
 	 * CP_WDT_DUAL_TOP in WDT_COMP_PARAMS_1).  On those we
 	 * effectively get a pat of the watchdog right here.
 	 */