Add exton node for DP bridge to make the display work properly.

Signed-off-by: Zhengqiao Xia <xiazhengqiao@huaqin.corp-partner.google.com>
---
 arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi b/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi
index 682c6ad2574d..943837f20377 100644
--- a/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi
@@ -424,6 +424,7 @@
 		ovdd-supply = <&mt6366_vsim2_reg>;
 		pwr18-supply = <&pp1800_dpbrdg_dx>;
 		reset-gpios = <&pio 177 GPIO_ACTIVE_HIGH>;
+		extcon = <&usbc_extcon>;
 
 		ports {
 			#address-cells = <1>;
@@ -1656,6 +1657,11 @@
 				try-power-role = "source";
 			};
 		};
+
+		usbc_extcon: extcon0 {
+			compatible = "google,extcon-usbc-cros-ec";
+			google,usb-port-id = <0>;
+		};
 	};
 };
 
-- 
2.17.1