ARM: dts: sun8i-h3: add opp table for mali gpu

OPP table value is get from orangepi lichee linux-3.4
kernel driver.

Signed-off-by: Qiang Yu <yuq825@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

arch/arm/boot/dts/sun8i-h3.dtsi

@@ -112,6 +112,26 @@
 		};
 	};
 
+	gpu_opp_table: gpu-opp-table {
+		compatible = "operating-points-v2";
+
+		opp-120000000 {
+			opp-hz = /bits/ 64 <120000000>;
+		};
+
+		opp-312000000 {
+			opp-hz = /bits/ 64 <312000000>;
+		};
+
+		opp-432000000 {
+			opp-hz = /bits/ 64 <432000000>;
+		};
+
+		opp-576000000 {
+			opp-hz = /bits/ 64 <576000000>;
+		};
+	};
+
 	pmu {
 		compatible = "arm,cortex-a7-pmu";
 		interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
@@ -205,9 +225,7 @@
 			clocks = <&ccu CLK_BUS_GPU>, <&ccu CLK_GPU>;
 			clock-names = "bus", "core";
 			resets = <&ccu RST_BUS_GPU>;
-
-			assigned-clocks = <&ccu CLK_GPU>;
-			assigned-clock-rates = <384000000>;
+			operating-points-v2 = <&gpu_opp_table>;
 		};
 
 		ths: thermal-sensor@1c25000 {