arm64: dts: qcom: qcs6490-rubikpi3: Use lt9611 DSI Port B

[ Upstream commit ebcf224 ]

The LT9611 HDMI bridge on RubikPi3 has DSI physically connected to
Port B. Update the devicetree to use port@1 which corresponds to
Port B input on the LT9611.

Fixes: f055a39 ("arm64: dts: qcom: Add qcs6490-rubikpi3 board dts")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Hongyang Zhao <hongyang.zhao@thundersoft.com>
Reviewed-by: Roger Shimizu <rosh@debian.org>
Tested-by: Roger Shimizu <rosh@debian.org>
Link: https://lore.kernel.org/r/20260207-rubikpi-next-20260116-v3-3-23b9aa189a3a@thundersoft.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

Author: hongyang-rp

arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts

@@ -755,10 +755,10 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 
-			port@0 {
-				reg = <0>;
+			port@1 {
+				reg = <1>;
 
-				lt9611_a: endpoint {
+				lt9611_b: endpoint {
 					remote-endpoint = <&mdss_dsi0_out>;
 				};
 			};
@@ -801,7 +801,7 @@
 };
 
 &mdss_dsi0_out {
-	remote-endpoint = <&lt9611_a>;
+	remote-endpoint = <&lt9611_b>;
 	data-lanes = <0 1 2 3>;
 };