ARM: DTS: stm32: add SDIO controller support for stm32f469-disco

STM32F469 SoC uses an arm_pl180_mmci SDIO controller.

Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/arch/arm/dts/stm32f429.dtsi b/arch/arm/dts/stm32f429.dtsi
index 23b7946..6bcf986 100644
--- a/arch/arm/dts/stm32f429.dtsi
+++ b/arch/arm/dts/stm32f429.dtsi
@@ -576,6 +576,18 @@
 			reg = <0x40007000 0x400>;
 		};
 
+		sdio: sdio@40012c00 {
+			compatible = "st,stm32f4xx-sdio";
+			reg = <0x40012c00 0x400>;
+			clocks = <&rcc 0 171>;
+			interrupts = <49>;
+			status = "disabled";
+			pinctrl-0 = <&sdio_pins>;
+			pinctrl-1 = <&sdio_pins_od>;
+			pinctrl-names = "default", "opendrain";
+			max-frequency = <48000000>;
+		};
+
 		ltdc: display-controller@40016800 {
 			compatible = "st,stm32-ltdc";
 			reg = <0x40016800 0x200>;