arm64: dts: qcom: sm8450-hdk: enable display hardware

Enable MDSS/DPU/DSI0 on SM8450-HDK device.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221207012803.114959-4-dmitry.baryshkov@linaro.org

arch/arm64/boot/dts/qcom/sm8450-hdk.dts

@@ -350,6 +350,28 @@ vreg_l7e_2p8: ldo7 {
 	};
 };
 
+&dispcc {
+	status = "okay";
+};
+
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	vdda-supply = <&vreg_l6b_1p2>;
+	status = "okay";
+};
+
+&mdss_dsi0_phy {
+	vdds-supply = <&vreg_l5b_0p88>;
+	status = "okay";
+};
+
+&mdss_mdp {
+	status = "okay";
+};
+
 &pcie0 {
 	status = "okay";
 	max-link-speed = <2>;