watchdog: mtx1-wdt: request gpio before using it
Otherwise, the gpiolib autorequest feature will produce a WARN_ON(): WARNING: at drivers/gpio/gpiolib.c:101 0x8020ec6c() autorequest GPIO-215 [...] Signed-off-by: NFlorian Fainelli <florian@openwrt.org> Signed-off-by: NWim Van Sebroeck <wim@iguana.be> Cc: stable <stable@kernel.org>
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