ARM: dts: stm32: Sync DT files with v4.20 kernel for stm32f4

Synchronize stm32f7 device tree with kernel v4.20.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/arch/arm/dts/stm32f469.dtsi b/arch/arm/dts/stm32f469.dtsi
new file mode 100644
index 0000000..0d58d40
--- /dev/null
+++ b/arch/arm/dts/stm32f469.dtsi
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* Copyright (C) STMicroelectronics 2017 - All Rights Reserved */
+
+#include "stm32f429.dtsi"
+
+/ {
+	soc {
+		dsi: dsi@40016c00 {
+			compatible = "st,stm32-dsi";
+			reg = <0x40016c00 0x800>;
+			interrupts = <92>;
+			resets = <&rcc STM32F4_APB2_RESET(DSI)>;
+			reset-names = "apb";
+			clocks = <&rcc 1 CLK_F469_DSI>, <&clk_hse>;
+			clock-names = "pclk", "ref";
+			status = "disabled";
+		};
+	};
+};