ARM: dts: rockchip: add CEC pinctrl to rk3288-miqi

Enable CEC control on the HDMI port for MiQi.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Link: https://lore.kernel.org/r/20250828165421.3829740-1-christianshewitt@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
diff --git a/arch/arm/boot/dts/rockchip/rk3288-miqi.dts b/arch/arm/boot/dts/rockchip/rk3288-miqi.dts
index dd42f8d..96c8827 100644
--- a/arch/arm/boot/dts/rockchip/rk3288-miqi.dts
+++ b/arch/arm/boot/dts/rockchip/rk3288-miqi.dts
@@ -130,6 +130,8 @@ &gpu {
 
 &hdmi {
 	ddc-i2c-bus = <&i2c5>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&hdmi_cec_c0>;
 	status = "okay";
 };