drm/msm/dp: Add "qcom, sc7280-dp" to support display port.

Changes in v2:
-- move "qcom,sc7280-dp" before "qcom,sc7280-edp"
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/1638809846-31950-1-git-send-email-quic_khsieh@quicinc.comSigned-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/dp/dp_display.c

@@ -145,6 +145,7 @@ static const struct msm_dp_config sc7280_dp_cfg = {
 
 static const struct of_device_id dp_dt_match[] = {
 	{ .compatible = "qcom,sc7180-dp", .data = &sc7180_dp_cfg },
+	{ .compatible = "qcom,sc7280-dp", .data = &sc7280_dp_cfg },
 	{ .compatible = "qcom,sc7280-edp", .data = &sc7280_dp_cfg },
 	{}
 };