ARM: dts: sun5i: Add mmc1 / sdio-wifi node to mk802

The a10s mk802 uses a rtl8189es sdio wifi chip, add a node enabling
the mmc1 controller, this enables using the wifi chip (together with
an out of tree sdio driver for it).
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun5i-a10s-mk802.dts

@@ -97,6 +97,15 @@ &mmc0 {
 	status = "okay";
 };
 
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins_a>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+};
+
 &ohci0 {
 	status = "okay";
 };