Backport patch present upstream fixing error for bcm63xx:
drivers/watchdog/bcm63xx_wdt.c: In function 'bcm63xx_wdt_ioctl':
drivers/watchdog/bcm63xx_wdt.c:208:17: error: this statement may fall through [-Werror=implicit-fallthrough=]
208 | bcm63xx_wdt_pet();
| ^~~~~~~~~~~~~~~~~
drivers/watchdog/bcm63xx_wdt.c:210:9: note: here
210 | case WDIOC_GETTIMEOUT:
| ^~~~
cc1: all warnings being treated as errors
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
