arm64: dts: rockchip: add rk3368-r88 iodomains

Add the supply-links according to the R88 schematics.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3368-r88.dts

@@ -236,6 +236,15 @@ hym8563: hym8563@51 {
 	};
 };
 
+&io_domains {
+	status = "ok";
+
+	audio-supply = <&vcc_io>;
+	gpio30-supply = <&vcc_io>;
+	gpio1830-supply = <&vcc_io>;
+	wifi-supply = <&vccio_wl>;
+};
+
 &sdio0 {
 	assigned-clocks = <&cru SCLK_SDIO0>;
 	assigned-clock-parents = <&cru PLL_CPLL>;
@@ -329,6 +338,13 @@ host_vbus_drv: host-vbus-drv {
 	};
 };
 
+&pmu_io_domains {
+	status = "okay";
+
+	pmu-supply = <&vcc_io>;
+	vop-supply = <&vcc_io>;
+};
+
 &saradc {
 	vref-supply = <&vcc_18>;
 	status = "okay";