ARM: dts: stm32: Enable SDIO controller on stm32429i-eval board

This patch adds SDIO related DT nodes for stm32429i-eval board.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32429i-eval.dts

@@ -144,6 +144,13 @@ panel_in_rgb: endpoint {
 			};
 		};
 	};
+
+	mmc_vcard: mmc_vcard {
+		compatible = "regulator-fixed";
+		regulator-name = "mmc_vcard";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
 };
 
 &adc {
@@ -254,6 +261,18 @@ &rtc {
 	status = "okay";
 };
 
+&sdio {
+	status = "okay";
+	vmmc-supply = <&mmc_vcard>;
+	cd-gpios = <&stmpegpio 15 GPIO_ACTIVE_HIGH>;
+	cd-inverted;
+	pinctrl-names = "default", "opendrain";
+	pinctrl-0 = <&sdio_pins>;
+	pinctrl-1 = <&sdio_pins_od>;
+	bus-width = <4>;
+	max-frequency = <12500000>;
+};
+
 &timers1 {
 	status = "okay";