ARM: dts: Extend existing CPU OPP for exynos5800

Fix CPU operating points for Exynos5800 (it use different
voltages than Exynos5420 and supports additional frequencies).
However don't use 2000MHz & 1900MHz OPPs (for A15 cores) and
1400MHz OPP (for A7 cores) for now as they are not available
on all boards.

Based on Hardkernel's kernel for ODROID-XU3 board.

Changes by Ben Gamari:
- Port to operating-points-v2

Cc: Doug Anderson <dianders@chromium.org>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Cc: Andreas Faerber <afaerber@suse.de>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Ben Gamari <ben@smart-cactus.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

arch/arm/boot/dts/exynos5800.dtsi

@@ -23,6 +23,114 @@ &clock {
 	compatible = "samsung,exynos5800-clock";
 };
 
+&cluster_a15_opp_table {
+	opp@1700000000 {
+		opp-microvolt = <1250000>;
+	};
+	opp@1600000000 {
+		opp-microvolt = <1250000>;
+	};
+	opp@1500000000 {
+		opp-microvolt = <1100000>;
+	};
+	opp@1400000000 {
+		opp-microvolt = <1100000>;
+	};
+	opp@1300000000 {
+		opp-microvolt = <1100000>;
+	};
+	opp@1200000000 {
+		opp-microvolt = <1000000>;
+	};
+	opp@1100000000 {
+		opp-microvolt = <1000000>;
+	};
+	opp@1000000000 {
+		opp-microvolt = <1000000>;
+	};
+	opp@900000000 {
+		opp-microvolt = <1000000>;
+	};
+	opp@800000000 {
+		opp-microvolt = <900000>;
+	};
+	opp@700000000 {
+		opp-microvolt = <900000>;
+	};
+	opp@600000000 {
+		opp-hz = /bits/ 64 <600000000>;
+		opp-microvolt = <900000>;
+		clock-latency-ns = <140000>;
+	};
+	opp@500000000 {
+		opp-hz = /bits/ 64 <500000000>;
+		opp-microvolt = <900000>;
+		clock-latency-ns = <140000>;
+	};
+	opp@400000000 {
+		opp-hz = /bits/ 64 <400000000>;
+		opp-microvolt = <900000>;
+		clock-latency-ns = <140000>;
+	};
+	opp@300000000 {
+		opp-hz = /bits/ 64 <300000000>;
+		opp-microvolt = <900000>;
+		clock-latency-ns = <140000>;
+	};
+	opp@200000000 {
+		opp-hz = /bits/ 64 <200000000>;
+		opp-microvolt = <900000>;
+		clock-latency-ns = <140000>;
+	};
+};
+
+&cluster_a7_opp_table {
+	opp@1300000000 {
+		opp-microvolt = <1250000>;
+	};
+	opp@1200000000 {
+		opp-microvolt = <1250000>;
+	};
+	opp@1100000000 {
+		opp-microvolt = <1250000>;
+	};
+	opp@1000000000 {
+		opp-microvolt = <1100000>;
+	};
+	opp@900000000 {
+		opp-microvolt = <1100000>;
+	};
+	opp@800000000 {
+		opp-microvolt = <1100000>;
+	};
+	opp@700000000 {
+		opp-microvolt = <1000000>;
+	};
+	opp@600000000 {
+		opp-microvolt = <1000000>;
+	};
+	opp@500000000 {
+		opp-hz = /bits/ 64 <500000000>;
+		opp-microvolt = <1000000>;
+		clock-latency-ns = <140000>;
+	};
+	opp@400000000 {
+		opp-hz = /bits/ 64 <400000000>;
+		opp-microvolt = <1000000>;
+		clock-latency-ns = <140000>;
+	};
+	opp@300000000 {
+		opp-hz = /bits/ 64 <300000000>;
+		opp-microvolt = <900000>;
+		clock-latency-ns = <140000>;
+	};
+	opp@200000000 {
+		opp-hz = /bits/ 64 <200000000>;
+		opp-microvolt = <900000>;
+		clock-latency-ns = <140000>;
+	};
+};
+
 &mfc {
 	compatible = "samsung,mfc-v8";
 };