Lcd: Change LCD brightness to 450nits through reduce lcd backlight brightness

Change-Id: Ia0742c8c6f4453fd35de3a096a84b45189a14857
Signed-off-by: liucheng <liucheng@longcheer.net>

arch/arm/boot/dts/qcom/dsi-panel-dijing-otm1901a-1080p-video.dtsi

@@ -46,7 +46,7 @@
 		qcom,mdss-dsi-t-clk-post = <0x03>;
 		qcom,mdss-dsi-t-clk-pre = <0x2b>;
 		qcom,mdss-dsi-bl-min-level = <10>;
-		qcom,mdss-dsi-bl-max-level = <255>;
+		qcom,mdss-dsi-bl-max-level = <225>;
 		qcom,mdss-dsi-dma-trigger = "trigger_sw";
 		qcom,mdss-dsi-mdp-trigger = "none";
                 qcom,mdss-pan-physical-width-dimension = <69>;

arch/arm/boot/dts/qcom/dsi-panel-truly-hx8399c-1080p-video.dtsi

@@ -46,7 +46,7 @@
 		qcom,mdss-dsi-t-clk-post = <0x02>;
 		qcom,mdss-dsi-t-clk-pre = <0x2d>;
 		qcom,mdss-dsi-bl-min-level = <160>;
-		qcom,mdss-dsi-bl-max-level = <4095>;
+		qcom,mdss-dsi-bl-max-level = <3562>;
 		qcom,mdss-dsi-dma-trigger = "trigger_sw";
 		qcom,mdss-dsi-mdp-trigger = "none";
                 qcom,mdss-pan-physical-width-dimension = <69>;

arch/arm/boot/dts/qcom/dsi-panel-truly-r63350-1080p-video.dtsi

@@ -46,7 +46,7 @@
 		qcom,mdss-dsi-t-clk-post = <0x03>;
 		qcom,mdss-dsi-t-clk-pre = <0x2b>;
 		qcom,mdss-dsi-bl-min-level = <10>;
-		qcom,mdss-dsi-bl-max-level = <255>;
+		qcom,mdss-dsi-bl-max-level = <225>;
 		qcom,mdss-dsi-dma-trigger = "trigger_sw";
 		qcom,mdss-dsi-mdp-trigger = "none";
 		qcom,mdss-dsi-on-command = [