ARM: dts: Add CPU OPP and regulator supply property for exynos3250

This patch add CPU operating points which include CPU frequency and
regulator voltage to use generic cpufreq drivers.

Signed-off-by: Chanwoo Choi <[e-mail]>
Acked-by: Kyungmin Park <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Bartlomiej Zolnierkiewicz <[e-mail]>
Signed-off-by: Kukjin Kim <[e-mail]>

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

···
 	};
 };
 
+&cpu0 {
+	cpu0-supply = <&buck2_reg>;
+};
+
 &exynos_usbphy {
 	status = "okay";
 };

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

···
 	};
 };
 
+&cpu0 {
+	cpu0-supply = <&buck2_reg>;
+};
+
 &exynos_usbphy {
 	status = "okay";
 };

arch/arm/boot/dts/exynos3250.dtsi

···
 			compatible = "arm,cortex-a7";
 			reg = <0>;
 			clock-frequency = <1000000000>;
+			clocks = <&cmu CLK_ARM_CLK>;
+			clock-names = "cpu";
+
+			operating-points = <
+				1000000 1150000
+				900000  1112500
+				800000  1075000
+				700000  1037500
+				600000  1000000
+				500000  962500
+				400000  925000
+				300000  887500
+				200000  850000
+				100000  850000
+			>;
 		};
 
 		cpu1: cpu@1 {