arm64: dts: qcom: sm8350: use qcom,sm8350-dsi-ctrl compatibles

Add the per-SoC (qcom,sm8350-dsi-ctrl) compatible strings to DSI nodes
to follow the pending DSI bindings changes.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230118032024.1715857-1-dmitry.baryshkov@linaro.org

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

@@ -2890,7 +2890,7 @@ dpu_intf2_out: endpoint {
 			};
 
 			mdss_dsi0: dsi@ae94000 {
-				compatible = "qcom,mdss-dsi-ctrl";
+				compatible = "qcom,sm8350-dsi-ctrl", "qcom,mdss-dsi-ctrl";
 				reg = <0 0x0ae94000 0 0x400>;
 				reg-names = "dsi_ctrl";
 
@@ -2988,7 +2988,7 @@ mdss_dsi0_phy: phy@ae94400 {
 			};
 
 			mdss_dsi1: dsi@ae96000 {
-				compatible = "qcom,mdss-dsi-ctrl";
+				compatible = "qcom,sm8350-dsi-ctrl", "qcom,mdss-dsi-ctrl";
 				reg = <0 0x0ae96000 0 0x400>;
 				reg-names = "dsi_ctrl";