ARM: dts: rockchip: Sonoff-iHost: correct IO domain voltages

Modify the corresponding vccio according to the schematic of
Sonoff iHost. This change aligns the device tree with the actual
hardware design and improves peripheral stability.

Signed-off-by: Hao Zhang <hao.zhang@coolkit.cn>
Link: https://lore.kernel.org/r/20250509101419.460473-3-hao.zhang@coolkit.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Author: ZHozz

arch/arm/boot/dts/rockchip/rv1126-sonoff-ihost.dtsi

@@ -323,15 +323,15 @@
 };
 
 &pmu_io_domains {
-	pmuio0-supply = <&vcc1v8_pmu>;
+	pmuio0-supply = <&vcc3v3_sys>;
 	pmuio1-supply = <&vcc3v3_sys>;
 	vccio1-supply = <&vcc_1v8>;
 	vccio2-supply = <&vccio_sd>;
 	vccio3-supply = <&vcc3v3_sd>;
-	vccio4-supply = <&vcc_dovdd>;
-	vccio5-supply = <&vcc_1v8>;
-	vccio6-supply = <&vcc_1v8>;
-	vccio7-supply = <&vcc_dovdd>;
+	vccio4-supply = <&vcc_3v3>;
+	vccio5-supply = <&vcc_3v3>;
+	vccio6-supply = <&vcc_3v3>;
+	vccio7-supply = <&vcc_1v8>;
 	status = "okay";
 };