watchdog: sp805_wdt: Drop documentation of non-existent status member

Remove the documentation for the `status` field in the `sp805_wdt`
structure, as the field does not exist.

Signed-off-by: Lad Prabhakar <prabhakar.csengg@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20241213192858.916377-1-prabhakar.csengg@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

Author: prabhakarlad

drivers/watchdog/sp805_wdt.c

@@ -62,7 +62,6 @@
  * @clk: (optional) clock structure of wdt
  * @rate: (optional) clock rate when provided via properties
  * @adev: amba device structure of wdt
- * @status: current status of wdt
  * @load_val: load value to be set for current timeout
  */
 struct sp805_wdt {