ARM: dts: exynos: Add initial gpio setting of MMC2 device for exynos3250-monk

This patch adds initial pin configuration of MMC2 device on exynos3250-monk
board because the MMC2 gpio pin (gpk2[0-6]) are NC (not connected) state.
Suggested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

arch/arm/boot/dts/exynos3250-monk.dts

@@ -558,7 +558,17 @@ sleep0: sleep-state {
 
 &pinctrl_1 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&sleep1>;
+	pinctrl-0 = <&initial1 &sleep1>;
+
+	initial1: initial-state {
+		PIN_IN(gpk2-0, DOWN, LV1);
+		PIN_IN(gpk2-1, DOWN, LV1);
+		PIN_IN(gpk2-2, DOWN, LV1);
+		PIN_IN(gpk2-3, DOWN, LV1);
+		PIN_IN(gpk2-4, DOWN, LV1);
+		PIN_IN(gpk2-5, DOWN, LV1);
+		PIN_IN(gpk2-6, DOWN, LV1);
+	};
 
 	sleep1: sleep-state {
 		PIN_SLP(gpe0-0, PREV, NONE);