ARM64: boot: dts: Exynos9820: Disable dex touchpad support

* As of U QPR3 this makes a mouse pointer show up on lockscreen after boot,
  until the device is touched

Change-Id: Ie68f0b693f0786e8f90d3703a0ae500d8c58bbeb
diff --git a/arch/arm64/boot/dts/samsung/exynos9820-beyondlte_input_common.dtsi b/arch/arm64/boot/dts/samsung/exynos9820-beyondlte_input_common.dtsi
index ba05c17..ff7aed5 100644
--- a/arch/arm64/boot/dts/samsung/exynos9820-beyondlte_input_common.dtsi
+++ b/arch/arm64/boot/dts/samsung/exynos9820-beyondlte_input_common.dtsi
@@ -110,7 +110,6 @@
 		sec,regulator_avdd = "tsp_avdd";
 		sec,regulator_boot_on;
 		sec,tclm_level = <1>;
-		support_dex_mode;
 		enable_settings_aot;
 		support_ear_detect_mode;
 		sync-reportrate-120 = "Y";
diff --git a/arch/arm64/boot/dts/samsung/exynos9820-d_input_common.dtsi b/arch/arm64/boot/dts/samsung/exynos9820-d_input_common.dtsi
index 05f8400..6d36217 100644
--- a/arch/arm64/boot/dts/samsung/exynos9820-d_input_common.dtsi
+++ b/arch/arm64/boot/dts/samsung/exynos9820-d_input_common.dtsi
@@ -133,7 +133,6 @@
 		sec,project_name = "DAVINCI", "N970";
 		sec,tclm_level = <1>;
 //		sec,afe_base = <0x0000>;
-		support_dex_mode;
 		enable_settings_aot;
 		sec,area-size = <133 266 341>;
 		support_ear_detect_mode;
diff --git a/arch/arm64/boot/dts/samsung/exynos9825-m62_input_common.dtsi b/arch/arm64/boot/dts/samsung/exynos9825-m62_input_common.dtsi
index 3579fa6..4c0f4ba 100644
--- a/arch/arm64/boot/dts/samsung/exynos9825-m62_input_common.dtsi
+++ b/arch/arm64/boot/dts/samsung/exynos9825-m62_input_common.dtsi
@@ -102,7 +102,6 @@
 		sec,max_coords = <4096 4096>; /* x y */
 
 		enable_settings_aot;
-		support_dex_mode;
 		support_fod;
 		support_mis_calibration_test;
 		support_ear_detect_mode;