ARM: dts: sun8i-h3: Add mmc2 node to the X2

The Beelink X2 has an on-board eMMC so add a node enabling
the mmc2 controller.
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun8i-h3-beelink-x2.dts

@@ -138,6 +138,16 @@ sdiowifi: sdio_wifi@1 {
 	};
 };
 
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_8bit_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <8>;
+	non-removable;
+	cap-mmc-hw-reset;
+	status = "okay";
+};
+
 &ohci1 {
 	status = "okay";
 };