ARM: dts: samsung: exynos5250-snow: use 'gpios' suffix for i2c-arb

Linux drivers support both variants - gpios and gpio - but first is
preferred.

Link: https://lore.kernel.org/r/20230721133246.15752-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

arch/arm/boot/dts/samsung/exynos5250-snow-common.dtsi

@@ -65,7 +65,7 @@
 
 		i2c-parent = <&i2c_4>;
 
-		our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>;
+		our-claim-gpios = <&gpf0 3 GPIO_ACTIVE_LOW>;
 		their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
 		slew-delay-us = <10>;
 		wait-retry-us = <3000>;