CVBS output

The patch that suports CVBS output is as below，and it is mainly used to modify the DTS files.

--- a/kernel/arch/arm/boot/dts/px3se-fireprime.dts
+++ b/kernel/arch/arm/boot/dts/px3se-fireprime.dts
@@ -45,8 +45,8 @@
 #include "rk3128.dtsi"
 #include "rk3128-cif-sensor.dtsi"
 #include "px3se-sdk.dtsi"
-//#include "lcd-lsl070nl01.dtsi"
-#include "lcd-box.dtsi"
+#include "lcd-lsl070nl01.dtsi"
+//#include "lcd-box.dtsi"
 //#include "lcd-b101ew05.dtsi"
 #include <dt-bindings/rkfb/rk_fb.h>
 #include <dt-bindings/input/input.h>
@@ -186,9 +186,9 @@
        };
 };

-&disp_timings {
+/*&disp_timings {
     native-mode = <&timing0>;
-};
+};*/


 &rk_screen {
@@ -228,7 +228,12 @@
 };

 &hdmi {
-       status = "okay";
+       status = "disabled";
+};
+
+&tve {
+    status = "okay";
+    test_mode = <0>;
 };

 &sdmmc {

When you open the CVBS directly, the HDMI cannot output normally. Please modify the status of HDMI as disabled, also note that the status of the LVDS is also disabled, otherwise error occurs.