drm/bridge: simple: add Realtek RTD2171 DP-to-HDMI bridge

Add support for the transparent Realtek RTD2171 DP-to-HDMI bridge.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250908-topic-x1e80100-hdmi-v3-2-c53b0f2bc2fb@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

Author: superna9999

drivers/gpu/drm/bridge/simple-bridge.c

@@ -266,6 +266,11 @@ static const struct of_device_id simple_bridge_match[] = {
 		.data = &(const struct simple_bridge_info) {
 			.connector_type = DRM_MODE_CONNECTOR_HDMIA,
 		},
+	}, {
+		.compatible = "realtek,rtd2171",
+		.data = &(const struct simple_bridge_info) {
+			.connector_type = DRM_MODE_CONNECTOR_HDMIA,
+		},
 	}, {
 		.compatible = "ti,opa362",
 		.data = &(const struct simple_bridge_info) {