dt-bindings: msm/dp: add missing properties

Document missing definitions for opp-table (DP controller OPPs), aux-bus
(DP AUX BUS) and data-lanes (DP/eDP lanes mapping) properties.

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/498750/
Link: https://lore.kernel.org/r/20220822184900.307160-3-dmitry.baryshkov@linaro.org


Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>