arm64: dts: renesas: r8a779h0: Add SD/MMC node

Add a device node for SD/MMC on Renesas R-Car V4M (R8A779H0) SoC.
Signed-off-by: Cong Dang <cong.dang.xn@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/4433cd73049ae517ea163bc703555ee8d9a4dd82.1707915763.git.geert+renesas@glider.be

arch/arm64/boot/dts/renesas/r8a779h0.dtsi

@@ -532,6 +532,20 @@ avb2: ethernet@e6820000 {
 			status = "disabled";
 		};
 
+		mmc0: mmc@ee140000 {
+			compatible = "renesas,sdhi-r8a779h0",
+				     "renesas,rcar-gen4-sdhi";
+			reg = <0 0xee140000 0 0x2000>;
+			interrupts = <GIC_SPI 440 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 706>,
+				 <&cpg CPG_CORE R8A779H0_CLK_SD0H>;
+			clock-names = "core", "clkh";
+			power-domains = <&sysc R8A779H0_PD_ALWAYS_ON>;
+			resets = <&cpg 706>;
+			max-frequency = <200000000>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@f1000000 {
 			compatible = "arm,gic-v3";
 			#interrupt-cells = <3>;