arm64: dts: imx8mq-librem5: fix mipi_csi1 port number to sensor

Since the previous commit fixed a hardware description bug for imx8mq,
we need to fix up all DT users like this. The mipi_csi port@0
is connected to the sensor, not port@1.

Fixes: fed7603597fa ("arm64: dts: imx8mq-librem5: describe the selfie cam")
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index f3e3418..2d4a472 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -1115,8 +1115,8 @@ &mipi_csi1 {
 	status = "okay";
 
 	ports {
-		port@1 {
-			reg = <1>;
+		port@0 {
+			reg = <0>;
 
 			mipi1_sensor_ep: endpoint {
 				remote-endpoint = <&camera1_ep>;