ARM: dts: stm32: add SDMMC2 in STM32MP13 DT

STM32MP13 embeds 2 instances of SDMMC peripheral.
Add the required information in SoC device tree file.
Signed-off-by: NYann Gautier <yann.gautier@foss.st.com>
Signed-off-by: NAlexandre Torgue <alexandre.torgue@foss.st.com>

arch/arm/boot/dts/stm32mp131.dtsi

@@ -135,6 +135,20 @@
 			status = "disabled";
 		};
 
+		sdmmc2: mmc@58007000 {
+			compatible = "st,stm32-sdmmc2", "arm,pl18x", "arm,primecell";
+			arm,primecell-periphid = <0x20253180>;
+			reg = <0x58007000 0x1000>, <0x58008000 0x1000>;
+			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "cmd_irq";
+			clocks = <&clk_pll4_p>;
+			clock-names = "apb_pclk";
+			cap-sd-highspeed;
+			cap-mmc-highspeed;
+			max-frequency = <130000000>;
+			status = "disabled";
+		};
+
 		iwdg2: watchdog@5a002000 {
 			compatible = "st,stm32mp1-iwdg";
 			reg = <0x5a002000 0x400>;