ARM: sun8i: a33: Add the Mali OPPs

The Mali GPU in the A33 has various operating frequencies used in the
Allwinner BSP.

Add them to our DT.
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun8i-a33.dtsi

@@ -100,6 +100,22 @@
 		status = "disabled";
 	};
 
+	mali_opp_table: gpu-opp-table {
+		compatible = "operating-points-v2";
+
+		opp@144000000 {
+			opp-hz = /bits/ 64 <144000000>;
+		};
+
+		opp@240000000 {
+			opp-hz = /bits/ 64 <240000000>;
+		};
+
+		opp@384000000 {
+			opp-hz = /bits/ 64 <384000000>;
+		};
+	};
+
 	memory {
 		reg = <0x40000000 0x80000000>;
 	};
@@ -312,6 +328,10 @@
 	compatible = "allwinner,sun8i-a33-ccu";
 };
 
+&mali {
+	operating-points-v2 = <&mali_opp_table>;
+};
+
 &pio {
 	compatible = "allwinner,sun8i-a33-pinctrl";
 	interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,