ARM: dts: Add clock provider specific properties to max77686 node

This patch adds a label and #clock-cells property to device node of
max77686 PMIC to allow using it as a clock provider.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

arch/arm/boot/dts/cros5250-common.dtsi

@@ -36,6 +36,7 @@ i2c@12C60000 {
 		max77686@09 {
 			compatible = "maxim,max77686";
 			reg = <0x09>;
+			#clock-cells = <1>;
 
 			voltage-regulators {
 				ldo1_reg: LDO1 {

arch/arm/boot/dts/exynos4412-odroidx.dts

@@ -119,6 +119,7 @@ i2c@13860000 {
 		max77686: pmic@09 {
 			compatible = "maxim,max77686";
 			reg = <0x09>;
+			#clock-cells = <1>;
 
 			voltage-regulators {
 				ldo1_reg: LDO1 {

arch/arm/boot/dts/exynos4412-trats2.dts

@@ -139,6 +139,7 @@ max77686_pmic@09 {
 			interrupt-parent = <&gpx0>;
 			interrupts = <7 0>;
 			reg = <0x09>;
+			#clock-cells = <1>;
 
 			voltage-regulators {
 				ldo1_reg: ldo1 {