watchdog: max77620: fix excess field in kerneldoc

The wdt_info does not exist in the struct being documented.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202412281555.YMBF9azh-lkp@intel.com/
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20241230-max77620_wdt-kerneldoc-fix-v1-1-8a3211818993@bootlin.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

Author: lucaceresoli

drivers/watchdog/max77620_wdt.c

@@ -25,7 +25,6 @@ static bool nowayout = WATCHDOG_NOWAYOUT;
 
 /**
  * struct max77620_variant - Data specific to a chip variant
- * @wdt_info:            watchdog descriptor
  * @reg_onoff_cnfg2:     ONOFF_CNFG2 register offset
  * @reg_cnfg_glbl2:      CNFG_GLBL2 register offset
  * @reg_cnfg_glbl3:      CNFG_GLBL3 register offset