arm64: dts: mt8173: Add dynamic power node.

This device node is for calculating dynamic power in mW.
Since mt8173 has two clusters, there are two dynamic power
coefficient as well.
Signed-off-by: Dawei Chien <dawei.chien@mediatek.com>
Signed-off-by: Michael.Kao <michael.kao@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8173.dtsi

@@ -157,6 +157,7 @@ cpu0: cpu@0 {
 			enable-method = "psci";
 			cpu-idle-states = <&CPU_SLEEP_0>;
 			#cooling-cells = <2>;
+			dynamic-power-coefficient = <263>;
 			clocks = <&infracfg CLK_INFRA_CA53SEL>,
 				 <&apmixedsys CLK_APMIXED_MAINPLL>;
 			clock-names = "cpu", "intermediate";
@@ -170,6 +171,7 @@ cpu1: cpu@1 {
 			enable-method = "psci";
 			cpu-idle-states = <&CPU_SLEEP_0>;
 			#cooling-cells = <2>;
+			dynamic-power-coefficient = <263>;
 			clocks = <&infracfg CLK_INFRA_CA53SEL>,
 				 <&apmixedsys CLK_APMIXED_MAINPLL>;
 			clock-names = "cpu", "intermediate";
@@ -183,6 +185,7 @@ cpu2: cpu@100 {
 			enable-method = "psci";
 			cpu-idle-states = <&CPU_SLEEP_0>;
 			#cooling-cells = <2>;
+			dynamic-power-coefficient = <530>;
 			clocks = <&infracfg CLK_INFRA_CA72SEL>,
 				 <&apmixedsys CLK_APMIXED_MAINPLL>;
 			clock-names = "cpu", "intermediate";
@@ -196,6 +199,7 @@ cpu3: cpu@101 {
 			enable-method = "psci";
 			cpu-idle-states = <&CPU_SLEEP_0>;
 			#cooling-cells = <2>;
+			dynamic-power-coefficient = <530>;
 			clocks = <&infracfg CLK_INFRA_CA72SEL>,
 				 <&apmixedsys CLK_APMIXED_MAINPLL>;
 			clock-names = "cpu", "intermediate";