arm64: dts: qcom: sm8350: move DPU opp-table to its node

The Qualcomm MDSS bindings expect that DPU opp-table is defined within
DPU node:

  sm8350-hdk.dtb: display-subsystem@ae00000: Unevaluated properties are not allowed ('opp-table' was unexpected)
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20231107103540.27353-3-krzysztof.kozlowski@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm8350.dtsi

@@ -2452,35 +2452,6 @@ mdss: display-subsystem@ae00000 {
 			#size-cells = <2>;
 			ranges;
 
-			dpu_opp_table: opp-table {
-				compatible = "operating-points-v2";
-
-				/* TODO: opp-200000000 should work with
-				 * &rpmhpd_opp_low_svs, but one some of
-				 * sm8350_hdk boards reboot using this
-				 * opp.
-				 */
-				opp-200000000 {
-					opp-hz = /bits/ 64 <200000000>;
-					required-opps = <&rpmhpd_opp_svs>;
-				};
-
-				opp-300000000 {
-					opp-hz = /bits/ 64 <300000000>;
-					required-opps = <&rpmhpd_opp_svs>;
-				};
-
-				opp-345000000 {
-					opp-hz = /bits/ 64 <345000000>;
-					required-opps = <&rpmhpd_opp_svs_l1>;
-				};
-
-				opp-460000000 {
-					opp-hz = /bits/ 64 <460000000>;
-					required-opps = <&rpmhpd_opp_nom>;
-				};
-			};
-
 			mdss_mdp: display-controller@ae01000 {
 				compatible = "qcom,sm8350-dpu";
 				reg = <0 0x0ae01000 0 0x8f000>,
@@ -2509,6 +2480,35 @@ mdss_mdp: display-controller@ae01000 {
 				interrupt-parent = <&mdss>;
 				interrupts = <0>;
 
+				dpu_opp_table: opp-table {
+					compatible = "operating-points-v2";
+
+					/* TODO: opp-200000000 should work with
+					 * &rpmhpd_opp_low_svs, but one some of
+					 * sm8350_hdk boards reboot using this
+					 * opp.
+					 */
+					opp-200000000 {
+						opp-hz = /bits/ 64 <200000000>;
+						required-opps = <&rpmhpd_opp_svs>;
+					};
+
+					opp-300000000 {
+						opp-hz = /bits/ 64 <300000000>;
+						required-opps = <&rpmhpd_opp_svs>;
+					};
+
+					opp-345000000 {
+						opp-hz = /bits/ 64 <345000000>;
+						required-opps = <&rpmhpd_opp_svs_l1>;
+					};
+
+					opp-460000000 {
+						opp-hz = /bits/ 64 <460000000>;
+						required-opps = <&rpmhpd_opp_nom>;
+					};
+				};
+
 				ports {
 					#address-cells = <1>;
 					#size-cells = <0>;