dt-bindings: msm/dsi: Add sc7280 7nm dsi phy

The SC7280 SoC uses the 7nm (V4.1) DSI PHY driver.

Signed-off-by: Rajeev Nandan <rajeevny@codeaurora.org>
Link: https://lore.kernel.org/r/1624365748-24224-2-git-send-email-rajeevny@codeaurora.org


Acked-by: Rob Herring <robh+dt@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>