arm64: dts: rockchip: Add rockchip,avs of cpu property on rk3326 linux boards

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Change-Id: I54e47d57e04db17871d3b639ff0ca94f8cd7aa90

arch/arm64/boot/dts/rockchip/rk3326-linux.dtsi

@@ -72,6 +72,10 @@
 	};
 };
 
+&cpu0_opp_table {
+	rockchip,avs = <1>;
+};
+
 &display_subsystem {
 	status = "disabled";
 	ports = <&vopb_out>, <&vopl_out>;