ARM: dts: exynos: move I2C10 out of soc node on Arndale

I2C10 is represented as i2c-gpio device, thus it is not really a part of
soc MMIO bus:

exynos5250-arndale.dtb: soc: i2c-10: {'pinctrl-names': ['default'], ... } should not be valid under {'type': 'object'}

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

arch/arm/boot/dts/exynos5250-arndale.dts

···
 		};
 	};
 
+	/*
+	 * For unknown reasons HDMI-DDC does not work with Exynos I2C
+	 * controllers. Lets use software I2C over GPIO pins as a workaround.
+	 */
+	i2c_ddc: i2c-10 {
+		compatible = "i2c-gpio";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c2_gpio_bus>;
+		sda-gpios = <&gpa0 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&gpa0 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		i2c-gpio,delay-us = <2>;
+	};
+
 	panel: panel {
 		compatible = "boe,hv070wsa-100";
 		power-supply = <&vcc_3v3_reg>;
···
 
 &sata_phy_i2c {
 	status = "okay";
-};
-
-&soc {
-	/*
-	 * For unknown reasons HDMI-DDC does not work with Exynos I2C
-	 * controllers. Lets use software I2C over GPIO pins as a workaround.
-	 */
-	i2c_ddc: i2c-10 {
-		pinctrl-names = "default";
-		pinctrl-0 = <&i2c2_gpio_bus>;
-		compatible = "i2c-gpio";
-		sda-gpios = <&gpa0 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
-		scl-gpios = <&gpa0 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
-		i2c-gpio,delay-us = <2>;
-	};
 };
 
 &usbdrd {